diff --git a/addons/mail/i18n/mail.pot b/addons/mail/i18n/mail.pot
index f76a19caec90a2d40c98bea4748e443e8330124b..6559226b383f28fec2c06ef07b67ac9e50139c93 100644
--- a/addons/mail/i18n/mail.pot
+++ b/addons/mail/i18n/mail.pot
@@ -41,6 +41,14 @@ msgstr ""
 msgid "%(activity_name)s: %(summary)s assigned to you"
 msgstr ""
 
+#. module: mail
+#: code:addons/mail/models/res_partner.py:0
+#, python-format
+msgid ""
+"%(email)s is not recognized as a valid email. This is required to create a "
+"new customer."
+msgstr ""
+
 #. module: mail
 #: code:addons/mail/wizard/mail_wizard_invite.py:0
 #, python-format
diff --git a/addons/mail/models/res_partner.py b/addons/mail/models/res_partner.py
index 88eb7184bb6e4b2a98f7c0ce456fa61209a5401a..e257def6702278a495e7b10a469ccdb90ddab7e8 100644
--- a/addons/mail/models/res_partner.py
+++ b/addons/mail/models/res_partner.py
@@ -83,6 +83,8 @@ class Partner(models.Model):
             raise ValueError(_('An email is required for find_or_create to work'))
 
         parsed_name, parsed_email = self._parse_partner_name(email)
+        if not parsed_email and assert_valid_email:
+            raise ValueError(_('%(email)s is not recognized as a valid email. This is required to create a new customer.'))
         if parsed_email:
             email_normalized = tools.email_normalize(parsed_email)
             if email_normalized:
diff --git a/addons/mail/tests/test_res_partner.py b/addons/mail/tests/test_res_partner.py
index c2fb68464c2997cb234d141d60f5338c285c2c3a..4a2f557653438a62d1acaab8ec20b31b09b58ae7 100644
--- a/addons/mail/tests/test_res_partner.py
+++ b/addons/mail/tests/test_res_partner.py
@@ -95,6 +95,9 @@ class TestPartner(MailCommon):
             check_partner=new6, should_create=True
         )
 
+        with self.assertRaises(ValueError):
+            self.env['res.partner'].find_or_create("Raoul chirurgiens-dentistes.fr", assert_valid_email=True)
+
     def test_res_partner_log_portal_group(self):
         Users = self.env['res.users']
         subtype_note = self.env.ref('mail.mt_note')