[jira] [Commented] (AIRFLOW-734) Sending email with no AUTH fails

["Chris Riccomini (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AIRFLOW-734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15802157#comment-15802157 ] 

Chris Riccomini commented on AIRFLOW-734:
-----------------------------------------

Note: setting smtp_user = None and smtp_password = None doesn't work either.


> 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 = some@email.com
> {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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