def _message_send(self: Any, connection: flask_mail.Connection) -> None:
"""Send a single message instance.
If TESTING is True the message will not actually be sent.
:param self: a Message instance.
"""
sender = current_app.config["MAIL_SENDER"]
if not self.extra_headers:
self.extra_headers = {}
self.extra_headers["Sender"] = sender
connection.send(self, sender)
def test_configure_host_tls_failure(self):
with mock.patch('flask_mail.smtplib.SMTP') as MockSMTP:
mock_host = MockSMTP.return_value
mock_host.starttls.return_value = (501, "Syntax error (testing)")
with mock.patch.object(self.mail, "use_tls", True):
self.assertTrue(self.mail.use_tls)
self.assertRaises(smtplib.SMTPResponseException,
Connection(self.mail).configure_host)
def send(self, connection: Connection = None):
type(self).check_limit()
msg = self.message
try:
if connection is not None:
connection.send(msg)
else:
mail.send(msg)
self.sent_at = dt.datetime.utcnow()
db.session.commit()
except (SMTPDataError, SMTPSenderRefused, SMTPRecipientsRefused) as e:
self.sent_at = dt.datetime.utcnow()
self.error = str(e)
db.session.commit()
except Exception as e:
db.session.rollback()
raise e