Initial commit

application/Espo/Classes/Select/Email/AccessControlFilters/OnlyOwn.php

@@ -0,0 +1,52 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\AccessControlFilters;
+
+use Espo\Core\Select\AccessControl\Filter;
+
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class OnlyOwn implements Filter
+{
+    public function __construct(
+        private User $user,
+        private JoinHelper $joinHelper
+    ) {}
+
+    public function apply(QueryBuilder $queryBuilder): void
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        $queryBuilder->where([Email::ALIAS_INBOX . '.userId' => $this->user->getId()]);
+    }
+}

application/Espo/Classes/Select/Email/AccessControlFilters/OnlyTeam.php

@@ -0,0 +1,76 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\AccessControlFilters;
+
+use Espo\Core\Select\AccessControl\Filter;
+
+use Espo\Entities\Email;
+use Espo\Entities\Team;
+use Espo\Entities\User;
+use Espo\ORM\Name\Attribute;
+use Espo\ORM\Query\Part\Condition as Cond;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class OnlyTeam implements Filter
+{
+    public function __construct(private User $user)
+    {}
+
+    public function apply(QueryBuilder $queryBuilder): void
+    {
+        $subQuery = QueryBuilder::create()
+            ->select(Attribute::ID)
+            ->from(Email::ENTITY_TYPE)
+            ->leftJoin(Team::RELATIONSHIP_ENTITY_TEAM, 'entityTeam', [
+                'entityTeam.entityId:' => 'id',
+                'entityTeam.entityType' => Email::ENTITY_TYPE,
+                'entityTeam.deleted' => false,
+            ])
+            ->leftJoin(Email::RELATIONSHIP_EMAIL_USER, Email::ALIAS_INBOX, [
+                Email::ALIAS_INBOX . '.emailId:' => 'id',
+                Email::ALIAS_INBOX . '.deleted' => false,
+                Email::ALIAS_INBOX . '.userId' => $this->user->getId(),
+            ])
+            ->where([
+                'OR' => [
+                    'entityTeam.teamId' => $this->user->getTeamIdList(),
+                    Email::ALIAS_INBOX . '.userId' => $this->user->getId(),
+                ]
+            ])
+            ->build();
+
+        $queryBuilder->where(
+            Cond::in(
+                Cond::column(Attribute::ID),
+                $subQuery
+            )
+        );
+    }
+}

application/Espo/Classes/Select/Email/AccessControlFilters/PortalOnlyAccount.php

@@ -0,0 +1,69 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\AccessControlFilters;
+
+use Espo\Core\Select\AccessControl\Filter;
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\Modules\Crm\Entities\Contact;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class PortalOnlyAccount implements Filter
+{
+    public function __construct(private User $user, private JoinHelper $joinHelper)
+    {}
+
+    public function apply(QueryBuilder $queryBuilder): void
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        $orGroup = [
+            Email::ALIAS_INBOX . '.userId' => $this->user->getId(),
+        ];
+
+        $accountIdList = $this->user->getAccounts()->getIdList();
+
+        if (count($accountIdList)) {
+            $orGroup['accountId'] = $accountIdList;
+        }
+
+        $contactId = $this->user->getContactId();
+
+        if ($contactId) {
+            $orGroup[] = [
+                'parentId' => $contactId,
+                'parentType' => Contact::ENTITY_TYPE,
+            ];
+        }
+
+        $queryBuilder->where(['OR' => $orGroup]);
+    }
+}

application/Espo/Classes/Select/Email/AccessControlFilters/PortalOnlyContact.php

@@ -0,0 +1,66 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\AccessControlFilters;
+
+use Espo\Core\Select\AccessControl\Filter;
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\Modules\Crm\Entities\Contact;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+/**
+ * @noinspection PhpUnused
+ */
+class PortalOnlyContact implements Filter
+{
+    public function __construct(private User $user, private JoinHelper $joinHelper)
+    {}
+
+    public function apply(QueryBuilder $queryBuilder): void
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        $orGroup = [
+            Email::ALIAS_INBOX . '.userId' => $this->user->getId(),
+        ];
+
+        $contactId = $this->user->getContactId();
+
+        if ($contactId) {
+            $orGroup[] = [
+                'parentId' => $contactId,
+                'parentType' => Contact::ENTITY_TYPE,
+            ];
+        }
+
+        $queryBuilder->where(['OR' => $orGroup]);
+    }
+}

application/Espo/Classes/Select/Email/AdditionalAppliers/Main.php

@@ -0,0 +1,154 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\AdditionalAppliers;
+
+use Espo\Core\Select\Applier\AdditionalApplier;
+use Espo\Core\Select\Primary\Filters\One;
+use Espo\Core\Select\SearchParams;
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\ORM\Query\SelectBuilder;
+use Espo\Tools\Email\Folder;
+
+class Main implements AdditionalApplier
+{
+    public function __construct(
+        private User $user,
+        private JoinHelper $joinHelper
+    ) {}
+
+    public function apply(SelectBuilder $queryBuilder, SearchParams $searchParams): void
+    {
+        $folder = $this->retrieveFolder($searchParams);
+
+        $this->applyIndexes($folder, $queryBuilder, $searchParams);
+
+        if ($folder !== Folder::DRAFTS) {
+            $this->joinEmailUser($queryBuilder);
+        }
+    }
+
+    private function applyIndexes(?string $folder, SelectBuilder $queryBuilder, SearchParams $searchParams): void
+    {
+        if ($searchParams->getPrimaryFilter() === One::NAME) {
+            return;
+        }
+
+        if ($searchParams->getTextFilter()) {
+            return;
+        }
+
+        if ($folder === Folder::IMPORTANT) {
+            return;
+        }
+
+        if ($folder === Folder::DRAFTS) {
+            $queryBuilder->useIndex('createdById');
+
+            return;
+        }
+
+        /*if ($this->checkApplyDateSentIndex($queryBuilder, $searchParams)) {
+            $queryBuilder->useIndex('dateSent');
+        }*/
+    }
+
+    private function joinEmailUser(SelectBuilder $queryBuilder): void
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        if ($queryBuilder->build()->getSelect() === []) {
+            $queryBuilder->select('*');
+        }
+
+        $itemList = [
+            Email::USERS_COLUMN_IS_READ,
+            Email::USERS_COLUMN_IS_IMPORTANT,
+            Email::USERS_COLUMN_IN_TRASH,
+            Email::USERS_COLUMN_IN_ARCHIVE,
+            Email::USERS_COLUMN_FOLDER_ID,
+        ];
+
+        foreach ($itemList as $item) {
+            $queryBuilder->select(Email::ALIAS_INBOX . '.' . $item, $item);
+        }
+    }
+
+    private function retrieveFolder(SearchParams $searchParams): ?string
+    {
+        if (!$searchParams->getWhere()) {
+            return null;
+        }
+
+        foreach ($searchParams->getWhere()->getItemList() as $item) {
+            if ($item->getType() === 'inFolder') {
+                return $item->getValue();
+            }
+        }
+
+        return null;
+    }
+
+    /*private function checkApplyDateSentIndex(SelectBuilder $queryBuilder, SearchParams $searchParams): bool
+    {
+        if ($searchParams->getTextFilter()) {
+            return false;
+        }
+
+        if ($searchParams->getOrderBy() && $searchParams->getOrderBy() !== 'dateSent') {
+            return false;
+        }
+
+        $whereItemList = [];
+
+        if ($searchParams->getWhere()) {
+            $whereItemList = $searchParams->getWhere()->getItemList();
+        }
+
+        foreach ($whereItemList as $item) {
+            $itemAttribute = $item->getAttribute();
+
+            if (
+                $itemAttribute &&
+                $itemAttribute !== 'folderId' &&
+                !in_array($itemAttribute, ['teams', 'users', 'status'])
+            ) {
+                return false;
+            }
+        }
+
+        if ($queryBuilder->hasJoinAlias('teamsAccess')) {
+            return false;
+        }
+
+        return true;
+    }*/
+}

application/Espo/Classes/Select/Email/BoolFilters/OnlyMy.php

@@ -0,0 +1,55 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\BoolFilters;
+
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Core\Select\Bool\Filter;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\ORM\Query\Part\Where\OrGroupBuilder;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class OnlyMy implements Filter
+{
+    public function __construct(private User $user, private JoinHelper $joinHelper)
+    {}
+
+    public function apply(QueryBuilder $queryBuilder, OrGroupBuilder $orGroupBuilder): void
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        $item = WhereClause::fromRaw([
+            Email::ALIAS_INBOX . '.userId' => $this->user->getId(),
+        ]);
+
+        $orGroupBuilder->add($item);
+    }
+}

application/Espo/Classes/Select/Email/Helpers/EmailAddressHelper.php

@@ -0,0 +1,59 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Helpers;
+
+use Espo\Entities\EmailAddress;
+use Espo\ORM\EntityManager;
+
+class EmailAddressHelper
+{
+    private EntityManager $entityManager;
+
+    public function __construct(EntityManager $entityManager)
+    {
+        $this->entityManager = $entityManager;
+    }
+
+    public function getEmailAddressIdByValue(string $value): ?string
+    {
+        $emailAddress = $this->entityManager
+            ->getRDBRepository(EmailAddress::ENTITY_TYPE)
+            ->where([
+                'lower' => strtolower($value),
+            ])
+            ->findOne();
+
+        if (!$emailAddress) {
+            return null;
+        }
+
+        return $emailAddress->getId();
+    }
+}

application/Espo/Classes/Select/Email/Helpers/JoinHelper.php

@@ -0,0 +1,49 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Helpers;
+
+use Espo\Entities\Email;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class JoinHelper
+{
+    public function joinEmailUser(QueryBuilder $queryBuilder, string $userId): void
+    {
+        if ($queryBuilder->hasJoinAlias(Email::ALIAS_INBOX)) {
+            return;
+        }
+
+        $queryBuilder->leftJoin(Email::RELATIONSHIP_EMAIL_USER, Email::ALIAS_INBOX, [
+            Email::ALIAS_INBOX . '.emailId:' => 'id',
+            Email::ALIAS_INBOX . '.deleted' => false,
+            Email::ALIAS_INBOX . '.userId' => $userId,
+        ]);
+    }
+}

application/Espo/Classes/Select/Email/TextFilter.php

@@ -0,0 +1,128 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email;
+
+use Espo\Core\Select\Text\Filter;
+use Espo\Core\Select\Text\Filter\Data;
+use Espo\Core\Select\Text\DefaultFilter;
+use Espo\Core\Select\Text\ConfigProvider;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Name\Attribute;
+use Espo\ORM\Query\Part\Condition as Cond;
+use Espo\ORM\Query\SelectBuilder;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+use Espo\ORM\Query\Part\Where\OrGroup;
+use Espo\ORM\Query\Part\Expression as Expr;
+use Espo\Entities\EmailAddress;
+
+/**
+ * @noinspection PhpUnused
+ */
+class TextFilter implements Filter
+{
+    public function __construct(
+        private DefaultFilter $defaultFilter,
+        private ConfigProvider $config,
+        private EntityManager $entityManager
+    ) {}
+
+    public function apply(QueryBuilder $queryBuilder, Data $data): void
+    {
+        $filter = $data->getFilter();
+        $ftWhereItem = $data->getFullTextSearchWhereItem();
+
+        if (
+            mb_strlen($filter) < $this->config->getMinLengthForContentSearch() ||
+            !str_contains($filter, '@') ||
+            $data->forceFullTextSearch()
+        ) {
+            $this->defaultFilter->apply($queryBuilder, $data);
+
+            return;
+        }
+
+        $emailAddressId = $this->getEmailAddressIdByValue($filter);
+
+        $orGroupBuilder = OrGroup::createBuilder();
+
+        if ($ftWhereItem && !$emailAddressId) {
+            $orGroupBuilder->add($ftWhereItem);
+        }
+
+        if (!$emailAddressId) {
+            $orGroupBuilder->add(
+                Cond::equal(Expr::column('id'), null)
+            );
+
+            $queryBuilder->where($orGroupBuilder->build());
+
+            return;
+        }
+
+        $orGroupBuilder
+            ->add(
+                Cond::equal(
+                    Expr::column('fromEmailAddressId'),
+                    $emailAddressId
+                )
+            )
+            ->add(
+                Cond::exists(
+                    SelectBuilder::create()
+                        ->from('EmailEmailAddress', 'sq')
+                        ->where(['emailAddressId' => $emailAddressId])
+                        ->where(
+                            Cond::equal(
+                                Expr::column('sq.emailId'),
+                                Expr::column('email.id')
+                            )
+                        )
+                        ->build()
+                )
+            );
+
+        $queryBuilder->where($orGroupBuilder->build());
+    }
+
+    private function getEmailAddressIdByValue(string $value): ?string
+    {
+        $emailAddress = $this->entityManager
+            ->getRDBRepository(EmailAddress::ENTITY_TYPE)
+            ->select(Attribute::ID)
+            ->where(['lower' => strtolower($value)])
+            ->findOne();
+
+        if (!$emailAddress) {
+            return null;
+        }
+
+        return $emailAddress->getId();
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/CcEquals.php

@@ -0,0 +1,35 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+class CcEquals extends ToEquals
+{
+    protected string $addressType = 'cc';
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/EmailAddressEquals.php

@@ -0,0 +1,83 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\Classes\Select\Email\Helpers\EmailAddressHelper;
+use Espo\ORM\Name\Attribute;
+use Espo\ORM\Query\Part\Condition as Cond;
+use Espo\ORM\Query\Part\Expression as Expr;
+use Espo\ORM\Query\Part\Where\OrGroup;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class EmailAddressEquals implements ItemConverter
+{
+    public function __construct(
+        private EmailAddressHelper $emailAddressHelper,
+    ) {}
+
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        $value = $item->getValue();
+
+        if (!$value) {
+            return WhereClause::fromRaw([Attribute::ID => null]);
+        }
+
+        $emailAddressId = $this->emailAddressHelper->getEmailAddressIdByValue($value);
+
+        if (!$emailAddressId) {
+            return WhereClause::fromRaw([Attribute::ID => null]);
+        }
+
+        return OrGroup::create(
+            Cond::equal(
+                Expr::column('fromEmailAddressId'),
+                $emailAddressId
+            ),
+            Cond::exists(
+                SelectBuilder::create()
+                    ->from('EmailEmailAddress', 'sq')
+                    ->where(['emailAddressId' => $emailAddressId])
+                    ->where(
+                        Cond::equal(
+                            Expr::column('sq.emailId'),
+                            Expr::column('email.id')
+                        )
+                    )
+                    ->build()
+            )
+        );
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/FromEquals.php

@@ -0,0 +1,67 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\Classes\Select\Email\Helpers\EmailAddressHelper;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class FromEquals implements ItemConverter
+{
+    public function __construct(
+        private EmailAddressHelper $emailAddressHelper
+    ) {}
+
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        $value = $item->getValue();
+
+        if (!$value) {
+            return WhereClause::fromRaw([
+                'id' => null,
+            ]);
+        }
+
+        $emailAddressId = $this->emailAddressHelper->getEmailAddressIdByValue($value);
+
+        if (!$emailAddressId) {
+            return WhereClause::fromRaw([
+                'id' => null,
+            ]);
+        }
+
+        return WhereClause::fromRaw([
+            'fromEmailAddressId' => $emailAddressId,
+        ]);
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/InArchiveIsFalse.php

@@ -0,0 +1,54 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class InArchiveIsFalse implements ItemConverter
+{
+    public function __construct(private User $user, private JoinHelper $joinHelper)
+    {}
+
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        return WhereClause::fromRaw([
+            Email::ALIAS_INBOX . '.inArchive' => false,
+        ]);
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/InArchiveIsTrue.php

@@ -0,0 +1,54 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class InArchiveIsTrue implements ItemConverter
+{
+    public function __construct(private User $user, private JoinHelper $joinHelper)
+    {}
+
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        return WhereClause::fromRaw([
+            Email::ALIAS_INBOX . '.inArchive' => true,
+        ]);
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/InFolder.php

@@ -0,0 +1,293 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Exceptions\BadRequest;
+use Espo\Core\Exceptions\Forbidden;
+use Espo\Core\Name\Link;
+use Espo\Core\Select\SelectBuilderFactory;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\Core\Select\Where\Item;
+
+use Espo\Entities\Email;
+use Espo\Entities\GroupEmailFolder;
+use Espo\ORM\Name\Attribute;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\EntityManager;
+use Espo\Entities\User;
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Tools\Email\Folder;
+use RuntimeException;
+
+/**
+ * @noinspection PhpUnused
+ */
+class InFolder implements ItemConverter
+{
+    public function __construct(
+        private User $user,
+        private EntityManager $entityManager,
+        private JoinHelper $joinHelper,
+        private SelectBuilderFactory $selectBuilderFactory
+    ) {}
+
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        $folderId = $item->getValue();
+
+        return match ($folderId) {
+            Folder::ALL => WhereClause::fromRaw([]),
+            Folder::INBOX => $this->convertInbox($queryBuilder),
+            Folder::IMPORTANT => $this->convertImportant($queryBuilder),
+            Folder::SENT => $this->convertSent($queryBuilder),
+            Folder::TRASH => $this->convertTrash($queryBuilder),
+            Folder::ARCHIVE => $this->convertArchive($queryBuilder),
+            Folder::DRAFTS => $this->convertDraft(),
+            default => $this->convertFolderId($queryBuilder, $folderId),
+        };
+    }
+
+    private function convertInbox(QueryBuilder $queryBuilder): WhereClauseItem
+    {
+        $this->joinEmailUser($queryBuilder);
+
+        $groupEmailFoldersIds = $this->getUserGroupEmailFoldersIds();
+
+        $whereClause = [
+            Email::ALIAS_INBOX . '.inTrash' => false,
+            Email::ALIAS_INBOX . '.inArchive' => false,
+            Email::ALIAS_INBOX . '.folderId' => null,
+            Email::ALIAS_INBOX . '.userId' => $this->user->getId(),
+            [
+                'status' => [
+                    Email::STATUS_ARCHIVED,
+                    Email::STATUS_SENT,
+                ],
+                'OR' => [
+                    'groupFolderId' => null,
+                    'groupFolderId!=' => $groupEmailFoldersIds,
+                ]
+            ],
+        ];
+
+        $emailAddressIdList = $this->getEmailAddressIdList();
+
+        if ($emailAddressIdList !== []) {
+            $whereClause['fromEmailAddressId!='] = $emailAddressIdList;
+
+            $whereClause[] = [
+                'OR' => [
+                    'status' => Email::STATUS_ARCHIVED,
+                    'createdById!=' => $this->user->getId(),
+                ],
+            ];
+        } else {
+            $whereClause[] = [
+                'status' => Email::STATUS_ARCHIVED,
+                'createdById!=' => $this->user->getId(),
+            ];
+        }
+
+        return WhereClause::fromRaw($whereClause);
+    }
+
+    private function convertSent(QueryBuilder $queryBuilder): WhereClauseItem
+    {
+        $this->joinEmailUser($queryBuilder);
+
+        return WhereClause::fromRaw([
+            'OR' => [
+                'fromEmailAddressId' => $this->getEmailAddressIdList(),
+                [
+                    'status' => Email::STATUS_SENT,
+                    'createdById' => $this->user->getId(),
+                ]
+            ],
+            [
+                'status!=' => Email::STATUS_DRAFT,
+            ],
+            Email::ALIAS_INBOX . '.inTrash' => false,
+            [
+                'OR' => [
+                    'groupFolderId' => null,
+                    'groupFolderId!=' => Email::GROUP_STATUS_FOLDER_TRASH,
+                ]
+            ]
+        ]);
+    }
+
+    private function convertImportant(QueryBuilder $queryBuilder): WhereClauseItem
+    {
+        $this->joinEmailUser($queryBuilder);
+
+        return WhereClause::fromRaw([
+            Email::ALIAS_INBOX . '.userId' => $this->user->getId(),
+            Email::ALIAS_INBOX . '.isImportant' => true,
+        ]);
+    }
+
+    private function convertTrash(QueryBuilder $queryBuilder): WhereClauseItem
+    {
+        $this->joinEmailUser($queryBuilder);
+
+        return WhereClause::fromRaw([
+            'OR' => [
+                [
+                    Email::ALIAS_INBOX . '.userId' => $this->user->getId(),
+                    Email::ALIAS_INBOX . '.inTrash' => true,
+                ],
+                [
+                    'groupFolderId!=' => null,
+                    'groupStatusFolder' => Email::GROUP_STATUS_FOLDER_TRASH,
+                ],
+            ]
+        ]);
+    }
+
+    private function convertArchive(QueryBuilder $queryBuilder): WhereClauseItem
+    {
+        $this->joinEmailUser($queryBuilder);
+
+        return WhereClause::fromRaw([
+            'OR' => [
+                [
+                    Email::ALIAS_INBOX . '.userId' => $this->user->getId(),
+                    Email::ALIAS_INBOX . '.inArchive' => true,
+                ],
+                [
+                    'groupFolderId!=' => null,
+                    'groupStatusFolder' => Email::GROUP_STATUS_FOLDER_ARCHIVE,
+                ],
+            ]
+        ]);
+    }
+
+    private function convertDraft(): WhereClauseItem
+    {
+        return WhereClause::fromRaw([
+            'status' => Email::STATUS_DRAFT,
+            'createdById' => $this->user->getId(),
+        ]);
+    }
+
+    private function convertFolderId(QueryBuilder $queryBuilder, string $folderId): WhereClauseItem
+    {
+        $this->joinEmailUser($queryBuilder);
+
+        if (str_starts_with($folderId, 'group:')) {
+            $groupFolderId = substr($folderId, 6);
+
+            if ($groupFolderId === '') {
+                $groupFolderId = null;
+            }
+
+            return WhereClause::fromRaw([
+                'groupFolderId' => $groupFolderId,
+                'groupStatusFolder' => null,
+                'fromEmailAddressId!=' => $this->getEmailAddressIdList(),
+                'status' => [
+                    Email::STATUS_ARCHIVED,
+                    Email::STATUS_SENT,
+                ],
+                'OR' => [
+                    'status' => Email::STATUS_ARCHIVED,
+                    'createdById!=' => $this->user->getId(),
+                ],
+            ]);
+        }
+
+        return WhereClause::fromRaw([
+            Email::ALIAS_INBOX . '.inTrash' => false,
+            Email::ALIAS_INBOX . '.inArchive' => false,
+            Email::ALIAS_INBOX . '.folderId' => $folderId,
+            'groupFolderId' => null,
+            'status' => [
+                Email::STATUS_ARCHIVED,
+                Email::STATUS_SENT,
+            ],
+        ]);
+    }
+
+    protected function joinEmailUser(QueryBuilder $queryBuilder): void
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+    }
+
+    /**
+     * @return string[]
+     */
+    protected function getEmailAddressIdList(): array
+    {
+        $emailAddressList = $this->entityManager
+            ->getRelation($this->user, Link::EMAIL_ADDRESSES)
+            ->select([Attribute::ID])
+            ->find();
+
+        $emailAddressIdList = [];
+
+        foreach ($emailAddressList as $emailAddress) {
+            $emailAddressIdList[] = $emailAddress->getId();
+        }
+
+        return $emailAddressIdList;
+    }
+
+    /**
+     * @return string[]
+     */
+    private function getUserGroupEmailFoldersIds(): array
+    {
+        $selectBuilder = $this->selectBuilderFactory
+            ->create()
+            ->forUser($this->user)
+            ->from(GroupEmailFolder::ENTITY_TYPE)
+            ->withAccessControlFilter();
+
+        try {
+            $groupEmailFolders = $this->entityManager
+                ->getRDBRepositoryByClass(GroupEmailFolder::class)
+                ->clone($selectBuilder->build())
+                ->select([Attribute::ID])
+                ->find();
+        } catch (BadRequest|Forbidden $e) {
+            throw new RuntimeException('', 0, $e);
+        }
+
+        $groupEmailFoldersIds = [];
+
+        foreach ($groupEmailFolders as $groupEmailFolder) {
+            $groupEmailFoldersIds[] = $groupEmailFolder->getId();
+        }
+
+        return $groupEmailFoldersIds;
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/InTrashIsFalse.php

@@ -0,0 +1,54 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class InTrashIsFalse implements ItemConverter
+{
+    public function __construct(private User $user, private JoinHelper $joinHelper)
+    {}
+
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        return WhereClause::fromRaw([
+            Email::ALIAS_INBOX . '.inTrash' => false,
+        ]);
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/InTrashIsTrue.php

@@ -0,0 +1,54 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class InTrashIsTrue implements ItemConverter
+{
+    public function __construct(private User $user, private JoinHelper $joinHelper)
+    {}
+
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        return WhereClause::fromRaw([
+            Email::ALIAS_INBOX . '.inTrash' => true,
+        ]);
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/IsImportantIsFalse.php

@@ -0,0 +1,54 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class IsImportantIsFalse implements ItemConverter
+{
+    public function __construct(private User $user, private JoinHelper $joinHelper)
+    {}
+
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        return WhereClause::fromRaw([
+            Email::ALIAS_INBOX . '.isImportant' => false,
+        ]);
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/IsImportantIsTrue.php

@@ -0,0 +1,54 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class IsImportantIsTrue implements ItemConverter
+{
+    public function __construct(private User $user, private JoinHelper $joinHelper)
+    {}
+
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        return WhereClause::fromRaw([
+            Email::ALIAS_INBOX . '.isImportant' => true,
+        ]);
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/IsNotReadIsFalse.php

@@ -0,0 +1,54 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class IsNotReadIsFalse implements ItemConverter
+{
+    public function __construct(private User $user, private JoinHelper $joinHelper)
+    {}
+
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        return WhereClause::fromRaw([
+            Email::ALIAS_INBOX . '.isRead' => true,
+        ]);
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/IsNotReadIsTrue.php

@@ -0,0 +1,58 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\Classes\Select\Email\Helpers\JoinHelper;
+use Espo\Entities\Email;
+use Espo\Entities\User;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class IsNotReadIsTrue implements ItemConverter
+{
+    public function __construct(private User $user, private JoinHelper $joinHelper)
+    {}
+
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        $this->joinHelper->joinEmailUser($queryBuilder, $this->user->getId());
+
+        return WhereClause::fromRaw([
+            Email::ALIAS_INBOX . '.isRead' => false,
+            'OR' => [
+                'sentById' => null,
+                'sentById!=' => $this->user->getId()
+            ],
+        ]);
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/IsNotRepliedIsFalse.php

@@ -0,0 +1,46 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class IsNotRepliedIsFalse implements ItemConverter
+{
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        return WhereClause::fromRaw([
+            'isReplied' => true,
+        ]);
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/IsNotRepliedIsTrue.php

@@ -0,0 +1,46 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class IsNotRepliedIsTrue implements ItemConverter
+{
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        return WhereClause::fromRaw([
+            'isReplied' => false,
+        ]);
+    }
+}

application/Espo/Classes/Select/Email/Where/ItemConverters/ToEquals.php

@@ -0,0 +1,81 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Classes\Select\Email\Where\ItemConverters;
+
+use Espo\Core\Select\Where\Item;
+use Espo\Core\Select\Where\ItemConverter;
+use Espo\Classes\Select\Email\Helpers\EmailAddressHelper;
+use Espo\ORM\Name\Attribute;
+use Espo\ORM\Query\Part\Condition as Cond;
+use Espo\ORM\Query\Part\Expression as Expr;
+use Espo\ORM\Query\Part\WhereClause;
+use Espo\ORM\Query\Part\WhereItem as WhereClauseItem;
+use Espo\ORM\Query\SelectBuilder;
+use Espo\ORM\Query\SelectBuilder as QueryBuilder;
+
+class ToEquals implements ItemConverter
+{
+    protected string $addressType = 'to';
+
+    public function __construct(
+        private EmailAddressHelper $emailAddressHelper,
+    ) {}
+
+    public function convert(QueryBuilder $queryBuilder, Item $item): WhereClauseItem
+    {
+        $value = $item->getValue();
+
+        if (!$value) {
+            return WhereClause::fromRaw([Attribute::ID => null]);
+        }
+
+        $emailAddressId = $this->emailAddressHelper->getEmailAddressIdByValue($value);
+
+        if (!$emailAddressId) {
+            return WhereClause::fromRaw([Attribute::ID => null]);
+        }
+
+        return Cond::exists(
+            SelectBuilder::create()
+                ->from('EmailEmailAddress', 'sq')
+                ->where([
+                    'emailAddressId' => $emailAddressId,
+                    'addressType' => $this->addressType,
+                ])
+                ->where(
+                    Cond::equal(
+                        Expr::column('sq.emailId'),
+                        Expr::column('email.id')
+                    )
+                )
+                ->build()
+        );
+    }
+}