[15.0][ADD] ‎mail_partner_resolution_by_company

mail_partner_resolution_by_company/README.rst

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+.. image:: https://odoo-community.org/readme-banner-image
+   :target: https://odoo-community.org/get-involved?utm_source=readme
+   :alt: Odoo Community Association
+
+==================================
+Mail Partner Resolution by Company
+==================================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
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+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Beta
+.. |badge2| image:: https://img.shields.io/badge/license-AGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fmulti--company-lightgray.png?logo=github
+    :target: https://github.com/OCA/multi-company/tree/15.0/mail_partner_resolution_by_company
+    :alt: OCA/multi-company
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/multi-company-15-0/multi-company-15-0-mail_partner_resolution_by_company
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/multi-company&target_branch=15.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module limits partner resolution from incoming emails to partners belonging to the 
+current company or to shared companies.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Use Cases / Context
+===================
+
+In models like project.task that interact directly with customers, incoming emails add 
+CC addresses as followers, but the company restriction is not considered. In a multi-company
+environment, if a customer sends an email with a CC address that belongs to a contact
+dedicated to another company, that contact is added as a follower. Since the user lacks
+access rights to that contact’s company, they get an access error viewing the record.
+
+This module addresses the issue by adding a company domain when matching email addresses
+to contacts.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/multi-company/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/multi-company/issues/new?body=module:%20mail_partner_resolution_by_company%0Aversion:%2015.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Do not contact contributors directly about support or help with technical issues.
+
+Credits
+=======
+
+Authors
+~~~~~~~
+
+* Quartile
+
+Contributors
+~~~~~~~~~~~~
+
+* `Quartile <https://www.quartile.co>`__:
+
+  * Toshikimi Shigenobu
+  * Yoshi Tashiro
+
+Maintainers
+~~~~~~~~~~~
+
+This module is maintained by the OCA.
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+This module is part of the `OCA/multi-company <https://github.com/OCA/multi-company/tree/15.0/mail_partner_resolution_by_company>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

mail_partner_resolution_by_company/__init__.py

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+from . import models

mail_partner_resolution_by_company/__manifest__.py

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+# Copyright 2026 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+{
+    "name": "Mail Partner Resolution by Company",
+    "summary": "Resolve partner by company when receiving emails",
+    "version": "15.0.1.0.0",
+    "category": "Mail",
+    "author": "Quartile, Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/multi-company",
+    "license": "AGPL-3",
+    "depends": ["mail"],
+    "data": [],
+    "installable": True,
+}

mail_partner_resolution_by_company/models/__init__.py

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+from . import mail_thread

mail_partner_resolution_by_company/models/mail_thread.py

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+# Copyright 2026 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import api, models
+from odoo.osv import expression
+
+
+class MailThread(models.AbstractModel):
+    _inherit = "mail.thread"
+
+    @api.model
+    def _mail_find_partner_from_emails(
+        self, emails, records=None, force_create=False, extra_domain=False
+    ):
+        extra_domain = expression.AND(
+            [extra_domain or [], [("company_id", "in", [self.env.company.id, False])]]
+        )
+        return super()._mail_find_partner_from_emails(
+            emails,
+            records=records,
+            force_create=force_create,
+            extra_domain=extra_domain,
+        )

mail_partner_resolution_by_company/readme/CONTEXT.rst

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+In models like project.task that interact directly with customers, incoming emails add 
+CC addresses as followers, but the company restriction is not considered. In a multi-company
+environment, if a customer sends an email with a CC address that belongs to a contact
+dedicated to another company, that contact is added as a follower. Since the user lacks
+access rights to that contact’s company, they get an access error viewing the record.
+
+This module addresses the issue by adding a company domain when matching email addresses
+to contacts.

mail_partner_resolution_by_company/readme/CONTRIBUTORS.rst

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+* `Quartile <https://www.quartile.co>`__:
+
+  * Toshikimi Shigenobu
+  * Yoshi Tashiro

mail_partner_resolution_by_company/readme/DESCRIPTION.rst

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+This module limits partner resolution from incoming emails to partners belonging to the 
+current company or to shared companies.