Chris Riccomini created AIRFLOW-734:
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Summary: Sending email with no AUTH fails
Key: AIRFLOW-734
URL: https://issues.apache.org/jira/browse/AIRFLOW-734
Project: Apache Airflow
Issue Type: Bug
Components: utils
Affects Versions: Airflow 1.8
Reporter: Chris Riccomini
While running 1.8.0a2, we noticed that emails no longer worked for us. We have
these settings:
{noformat}
[smtp]
smtp_host = our.relay.com
smtp_starttls = False
smtp_ssl = False
smtp_port = 2525
smtp_mail_from = [email protected]
{noformat}
We are seeing:
{noformat}
[2017-01-05 15:10:13,666] {models.py:1378} ERROR - SMTP AUTH extension not
supported by server.
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/airflow/models.py", line 1374, in
handle_failure
self.email_alert(error, is_retry=False)
File "/usr/lib/python2.7/site-packages/airflow/models.py", line 1521, in
email_alert
send_email(task.email, title, body)
File "/usr/lib/python2.7/site-packages/airflow/utils/email.py", line 43, in
send_email
return backend(to, subject, html_content, files=files, dryrun=dryrun,
cc=cc, bcc=bcc, mime_subtype=mime_subtype)
File "/usr/lib/python2.7/site-packages/airflow/utils/email.py", line 84, in
send_email_smtp
send_MIME_email(SMTP_MAIL_FROM, recipients, msg, dryrun)
File "/usr/lib/python2.7/site-packages/airflow/utils/email.py", line 100, in
send_MIME_email
s.login(SMTP_USER, SMTP_PASSWORD)
File "/usr/lib64/python2.7/smtplib.py", line 584, in login
raise SMTPException("SMTP AUTH extension not supported by server.")
SMTPException: SMTP AUTH extension not supported by server.
{noformat}
It appears that the SMTP lib is trying to run the login() command in this code:
{code:python}
if not dryrun:
s = smtplib.SMTP_SSL(SMTP_HOST, SMTP_PORT) if SMTP_SSL else
smtplib.SMTP(SMTP_HOST, SMTP_PORT)
if SMTP_STARTTLS:
s.starttls()
if SMTP_USER and SMTP_PASSWORD:
s.login(SMTP_USER, SMTP_PASSWORD)
logging.info("Sent an alert email to " + str(e_to))
s.sendmail(e_from, e_to, mime_msg.as_string())
s.quit()
{code}
Even though we have no user/pass set. This didn't happen in 1.7.1.2. I also
tried setting:
{noformat}
smtp_user = False
smtp_password = False
{noformat}
But this didn't help. Finally, I commented these lines out of the email
email.py file:
{noformat}
#if SMTP_USER and SMTP_PASSWORD:
# s.login(SMTP_USER, SMTP_PASSWORD)
{noformat}
The commenting worked. This suggests that the SMTP_USER and SMTP_PASSWORD are
defaulting to a non-False value, and trying to force them to be false isn't
working.
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