[Mailman-Users] bounces
Barry Finkel
b19141 at anl.gov
Wed May 5 14:37:57 CEST 2010
>In SMTP 4.y.z DSNs are "temporary" errors. They could be caused by a
>spam filter over loaded, or the system shutting down, or...
>
>> i'm assuming it's retried by the mta. the settings in mailman clearly
>> state that it should be discarded right away...
>
>The 4.y.z should be seen as an invitation for the SMTP server to try
>sending the message again at a later time.
>
>The MTA will eventually time out the message and generate a permanent error.
I assume that there will be a warning message sent back to the "sender"
after the mail has been queued for a few hours (we have in Postfix
"delay_warning_time = 8"). I assume that the warning message will
be sent to the list -bounces address, and that Mailman will process
this warning correctly.
----------------------------------------------------------------------
Barry S. Finkel
Computing and Information Systems Division
Argonne National Laboratory Phone: +1 (630) 252-7277
9700 South Cass Avenue Facsimile:+1 (630) 252-4601
Building 240, Room 5.B.8 Internet: BSFinkel at anl.gov
Argonne, IL 60439-4828 IBMMAIL: I1004994
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