[Mailman-Users] Ignore DMARC bounces?

Lindsay Haisley fmouse at fmp.com
Sat May 3 03:32:56 CEST 2014

On Fri, 2014-05-02 at 20:21 -0400, Andrew Partan wrote:
> Is there some way of ignoring the DMCAC bounces?  That way a message
> From: someone at yahoo.com will not not increase the bounce count of
> all Yahoo, AOL, Hotmail, ATT, MSN, and Comcast users.
> Yahoo & ATT say this:
> 	554 5.7.9 Message not accepted for policy reasons.  See
> 	http://postmaster.yahoo.com/errors/postmaster-28.html
> AOL says this:
> 	521 5.2.1 :  (DMARC) This message failed DMARC Evaluation
> 	and is being refused due to provided DMARC Policy
> Comcast says this:
> 	550 5.2.0 x4fx1n03n5DGQ1A034fysP Message rejected due to
> 	DMARC. Please see
> 	http://postmaster.comcast.net/smtp-error-codes.php#DM000001
> MSN/Hotmail say this:
> 	550 5.7.0 (BAY0-MCn-Fn) Unfortunately, messages from (N.N.N.N)
> 	on behalf of (yahoo.com) could not be delivered due to
> 	domain owner policy restrictions.)

Set bounce_processing to No.  This will turn off all bounce processing.
To the best of my knowledge, Mailman has no way to tell the difference
between bounces caused by DMARC and those caused by other factors, such
as "user unknown".

Lindsay Haisley       | "Everything works if you let it"
FMP Computer Services |
512-259-1190          |          --- The Roadie
http://www.fmp.com    |

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