[Mailman-Users] Bounceback from Another List

Ben McGee bmcgee at qeh2.com
Fri May 21 23:05:03 CEST 2010

I have a fairly large Mailman Installation on Ubuntu server 9 with
several thousand subscribers and about a dozen lists.  When users post
to List1 they receive a bounce message from List2.  For example, the
list administrator receives this notice...


As list administrator, your authorization is requested for the

following mailing list posting:


   List:    list2 at lists.someserver.net 

   From:    listadmin at myemail.com 

   Subject: [List1] Testing 1 2 3

   Reason:  Message has implicit destination


At your convenience, visit:




to approve or deny the request.


... I have asked the list administrator to confirm that he is indeed
sending *only* to List1.  "Regular" users also get a rejection notice
from List2 when they post to List1.  List1 allows posting from all
subscribers, but List2 is limited to just a few specific email


The MTA is exim4.  


Any help would be much appreciated.





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