diff --git a/addons/mail/models/mail_alias.py b/addons/mail/models/mail_alias.py
index 9ab9722d9cb..d8aec7a9751 100644
--- a/addons/mail/models/mail_alias.py
+++ b/addons/mail/models/mail_alias.py
@@ -161,6 +161,7 @@ class Alias(models.Model):
             """ Cleans and sanitizes the alias name """
             sanitized_name = remove_accents(name).lower().split('@')[0]
             sanitized_name = re.sub(r'[^\w+.]+', '-', sanitized_name)
+            sanitized_name = re.sub(r'^\.+|\.+$|\.+(?=\.)', '', sanitized_name)
             sanitized_name = sanitized_name.encode('ascii', errors='replace').decode()
             return sanitized_name
 
diff --git a/addons/test_mail/tests/test_mail_gateway.py b/addons/test_mail/tests/test_mail_gateway.py
index b76e5d9752b..f722cf236ed 100644
--- a/addons/test_mail/tests/test_mail_gateway.py
+++ b/addons/test_mail/tests/test_mail_gateway.py
@@ -122,6 +122,13 @@ class TestMailAlias(TestMailCommon):
         with self.assertRaises(exceptions.ValidationError):
             record.write({'alias_defaults': "{'custom_field': brokendict"})
 
+    def test_alias_sanitize(self):
+        alias = self.env['mail.alias'].create({
+            'alias_model_id': self.env['ir.model']._get('mail.test.container').id,
+            'alias_name': 'bidule...inc.',
+        })
+        self.assertEqual(alias.alias_name, 'bidule.inc', 'Emails cannot start or end with a dot, there cannot be a sequence of dots.')
+
     def test_alias_setup(self):
         alias = self.env['mail.alias'].create({
             'alias_model_id': self.env['ir.model']._get('mail.test.container').id,