275899Re: example showing how to track bad/bounce emails
- Mar 31 10:30 AMHmm;
Thanks for your feedback, Wietse!
I'm definitely new to mail serving and not an administrator.
Would it be at all advisable to just scan the maillog file periodically for 'status=bounce' lines and parse out the 'to<...>' email address?
It seems that'd give a pretty reasonable list of bounced emails. I don't need to be 100% accurate, just reasonably comprehensive.
From: Wietse Venema <wietse@...>
To: Postfix users <postfix-users@...>
Sent: Thu, March 31, 2011 12:56:14 PM
Subject: Re: example showing how to track bad/bounce emails
> Hello;Postfix delivers mail; it does not parse bounce messages.
> I've been searching around for a while, but I've not found any documentation or
> examples that show how you can configure Postfix to log bad/bounce/failed emails
> to MySQL or how to read a log file and parse the bad/bounce/failed emails out of
> The application I'm working on needs to detect emails that bounce
> and ideally remove them from the database. If Postfix can insert
> the bounced emails into a db table (or a log file that just contains
> the bad email addres, one per line), that would make it pretty
> easy to run a cron job to remove these bad emails from the
> application's user database.
You could use the documented Postfix hooks to deliver the returned
mail to a command that parses out the failed recipient.
- "|command" in local alias or .forward file:
- Pipe-to-command daemon; this requires a per-user transprort map entry.
Bounce message parsing is not trivial because a lot of systems use
a non-standard notification format. Using VERP solves some but
not all of these problems (some mail systems ignore the envelope
sender address). http://www.postfix.org/VERP_README.html
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