[Mailman-Users] Bounce notification not handled normally

Keith Blackie kblackie at resourcecad.com
Tue May 25 22:14:17 CEST 2010

I have a situation where subscriber email addresses are being bounced after 
the failed address has been forwarded to an autoresponder. The problem is 
that the mailman strips the sender's address out of the response before it 
is sent to the administrator for action.

On the mailing list, I have the unsubscribe threshold set to 3 bounces, but 
the email response (bounce), while being recognized as a bounce, it 
processed as a post to the mailing list and is subsequently sent out to all 
list members, further, the sender is stripped from the headers and I cannot 
identify which account it comes from, since the autoresponder does not 
follow the usual process of identifying the offending mailbox in the body of 
the autoresponse.

I hope this is clear, and that I can find some configuration that resolves 
the issue ... previously to identify one of these email addresses, I had to 
send an email, then immediately unsubscribe everyone from the mailing list 
and let mailman respond with an unhandled bounce notification, only then was 
I able to identify the offending address ... but then I had to re-subscribe 
every list member, and while it only takes a minute to do so it is a real 



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