diff --git a/helpdesk_mgmt/tests/__init__.py b/helpdesk_mgmt/tests/__init__.py
index 30fcc1a170..674cb021bf 100644
--- a/helpdesk_mgmt/tests/__init__.py
+++ b/helpdesk_mgmt/tests/__init__.py
@@ -1,4 +1,5 @@
 from . import test_helpdesk_ticket
 from . import test_helpdesk_ticket_team
 from . import test_helpdesk_portal
+from . import test_helpdesk_fetchmail
 from . import test_res_partner
diff --git a/helpdesk_mgmt/tests/test_helpdesk_fetchmail.py b/helpdesk_mgmt/tests/test_helpdesk_fetchmail.py
new file mode 100644
index 0000000000..54f6eb1cf2
--- /dev/null
+++ b/helpdesk_mgmt/tests/test_helpdesk_fetchmail.py
@@ -0,0 +1,80 @@
+# License AGPL-3 - See http://www.gnu.org/licenses/agpl-3.0.html
+
+from .common import TestHelpdeskTicketBase
+
+EMAIL_TPL = """Return-Path: <whatever-2a840@postmaster.twitter.com>
+X-Original-To: {to}
+Delivered-To: {to}
+To: {to}
+Received: by mail1.odoo.com (Postfix, from userid 10002)
+    id 5DF9ABFB2A; Fri, 10 Aug 2012 16:16:39 +0200 (CEST)
+Message-ID: {msg_id}
+Date: Tue, 29 Nov 2011 12:43:21 +0530
+From: {email_from}
+MIME-Version: 1.0
+Subject: {subject}
+Content-Type: text/plain; charset=ISO-8859-1; format=flowed
+
+Hello,
+
+This email should create a new entry in your module. Please check that it
+effectively works.
+
+Thanks,
+
+--
+Raoul Boitempoils
+Integrator at Agrolait"""
+
+
+class TestHelpdeskFetchmail(TestHelpdeskTicketBase):
+    """ """
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.channel_email = cls.env.ref("helpdesk_mgmt.helpdesk_ticket_channel_email")
+
+    def _dummy_fetchmail_process(self):
+        """In a real case workflow, the `fetchmail.server::fetch_mail()` function
+        fetches IMAP/POP servers and creates new messages objects using
+        `mail.thread::message_process()`."""
+        MailThread = self.env["mail.thread"]
+        additional_context = {"fetchmail_cron_running": True}
+        message = EMAIL_TPL.format(
+            to="general-alias-for-tickets@local.test",
+            subject="Need backup",
+            email_from="bob@mycompany.com",
+            msg_id="168242744424.20.2028152230359369389@dd607af32153",
+        )
+        res_id = MailThread.with_context(**additional_context).message_process(
+            model=False,
+            message=message,
+            save_original=False,
+            strip_attachments=True,
+        )
+        self.assertGreater(res_id, 0)
+
+    def test_message_process(self):
+        # keep a list of existing tickets
+        ticket_ids = self.env["helpdesk.ticket"].search([])
+        self._dummy_fetchmail_process()
+        # get the newly created ticket
+        ticket_id = self.env["helpdesk.ticket"].search([]) - ticket_ids
+        self.assertEqual(len(ticket_id), 1)
+        self.assertEqual(ticket_id.name, "Need backup")
+        # ensure that the e-mail channel has been set automatically
+        self.assertEqual(ticket_id.channel_id, self.channel_email)
+
+    def test_message_process_missing_channel(self):
+        # delete default e-mail channel
+        self.channel_email.unlink()
+        # keep a list of existing tickets
+        ticket_ids = self.env["helpdesk.ticket"].search([])
+        self._dummy_fetchmail_process()
+        # get the newly created ticket
+        ticket_id = self.env["helpdesk.ticket"].search([]) - ticket_ids
+        self.assertEqual(len(ticket_id), 1)
+        self.assertEqual(ticket_id.name, "Need backup")
+        # ensure that the channel is not set
+        self.assertFalse(ticket_id.channel_id)