diff --git a/addons/mass_mailing/models/mailing.py b/addons/mass_mailing/models/mailing.py
index 67cbcfafe95..e88fb9e6fad 100644
--- a/addons/mass_mailing/models/mailing.py
+++ b/addons/mass_mailing/models/mailing.py
@@ -931,6 +931,7 @@ class MassMailing(models.Model):
         """Send an email to the responsible of each finished mailing with the statistics."""
         self.kpi_mail_required = False
 
+        mails_sudo = self.env['mail.mail'].sudo()
         for mailing in self:
             user = mailing.user_id
             mailing = mailing.with_context(lang=user.lang or self._context.get('lang'))
@@ -973,9 +974,10 @@ class MassMailing(models.Model):
                 'email_to': user.email_formatted,
                 'body_html': full_mail,
                 'auto_delete': True,
+                'state': 'outgoing',
             }
-            mail = self.env['mail.mail'].sudo().create(mail_values)
-            mail.send(raise_exception=False)
+            mails_sudo += self.env['mail.mail'].sudo().create(mail_values)
+        return mails_sudo
 
     def _prepare_statistics_email_values(self):
         """Return some statistics that will be displayed in the mailing statistics email.
diff --git a/addons/test_mail_full/tests/test_mass_mailing_statistics.py b/addons/test_mail_full/tests/test_mass_mailing_statistics.py
index b9d552a717a..8a3f67ae0eb 100644
--- a/addons/test_mail_full/tests/test_mass_mailing_statistics.py
+++ b/addons/test_mail_full/tests/test_mass_mailing_statistics.py
@@ -47,7 +47,7 @@ class TestMailingStatistics(TestMassSMSCommon):
         self.assertEqual(mailing.opened_ratio, 30)
         self.assertEqual(mailing.sent, 10)
 
-        with self.mock_mail_gateway(mail_unlink_sent=False):
+        with self.mock_mail_gateway(mail_unlink_sent=True):
             mailing._action_send_statistics()
 
         self.assertEqual(len(self._new_mails), 1, "Mailing: a mail should have been created for statistics")
@@ -57,7 +57,7 @@ class TestMailingStatistics(TestMassSMSCommon):
         self.assertEqual(mail.email_from, self.user_marketing_2.email_formatted)
         self.assertEqual(mail.email_to, self.user_marketing_2.email_formatted)
         self.assertEqual(mail.reply_to, formataddr((self.company_admin.name, '%s@%s' % (self.alias_catchall, self.alias_domain))))
-        self.assertEqual(mail.state, 'sent')
+        self.assertEqual(mail.state, 'outgoing')
         # test body content: KPIs
         body_html = html.fromstring(mail.body_html)
         kpi_values = body_html.xpath('//div[@data-field="sms"]//*[hasclass("kpi_value")]/text()')
diff --git a/addons/test_mass_mailing/tests/test_mailing_statistics.py b/addons/test_mass_mailing/tests/test_mailing_statistics.py
index be4b193f09e..629b14658ef 100644
--- a/addons/test_mass_mailing/tests/test_mailing_statistics.py
+++ b/addons/test_mass_mailing/tests/test_mailing_statistics.py
@@ -53,7 +53,7 @@ class TestMailingStatistics(TestMassMailCommon):
         self.assertEqual(mailing.replied_ratio, 30)
         self.assertEqual(mailing.sent, 10)
 
-        with self.mock_mail_gateway(mail_unlink_sent=False):
+        with self.mock_mail_gateway(mail_unlink_sent=True):
             mailing._action_send_statistics()
 
         self.assertEqual(len(self._new_mails), 1, "Mailing: a mail should have been created for statistics")
@@ -63,7 +63,7 @@ class TestMailingStatistics(TestMassMailCommon):
         self.assertEqual(mail.email_from, self.user_marketing_2.email_formatted)
         self.assertEqual(mail.email_to, self.user_marketing_2.email_formatted)
         self.assertEqual(mail.reply_to, formataddr((self.company_admin.name, '%s@%s' % (self.alias_catchall, self.alias_domain))))
-        self.assertEqual(mail.state, 'sent')
+        self.assertEqual(mail.state, 'outgoing')
         # test body content: KPIs
         body_html = html.fromstring(mail.body_html)
         kpi_values = body_html.xpath('//div[@data-field="mail"]//*[hasclass("kpi_value")]/text()')
@@ -95,6 +95,5 @@ class TestMailingStatistics(TestMassMailCommon):
         self.assertEqual(mail.author_id, self.user_marketing.partner_id)
         self.assertFalse(mail.email_from)
         self.assertFalse(mail.email_to)
-        self.assertTrue(mail.failure_reason)
         self.assertEqual(mail.reply_to, formataddr((self.company_admin.name, '%s@%s' % (self.alias_catchall, self.alias_domain))))
-        self.assertEqual(mail.state, 'exception')
+        self.assertEqual(mail.state, 'outgoing')