[Mailman-Users] mailman-1.1 mail loop if list owner address is undeliverable

Todd Pfaff pfaff at edge.cis.mcmaster.ca
Wed Oct 11 18:22:23 CEST 2000

I'm using mailman-1.1.  I recently encountered a problem with a list owner
address that was undeliverable.

- some administrative message is generated that is sent to the list owner
- somewhere along the way, an undeliverable address is encountered and the
remote end generates a "550...Host unknown" error message which is 
returned to sender
- this is returned to the list admin address which in turn generates
another message to list owner

Are there any patches or solutions for mailman-1.1 which improve mailman's
chance of catching and stopping such a loop?  If not, is this something
that is improved in mailman-2.0?

Todd Pfaff                         \  Email: pfaff at mcmaster.ca
Computing and Information Services  \ Voice: (905) 525-9140 x22920
ABB 132                              \  FAX: (905) 528-3773
McMaster University                   \
Hamilton, Ontario, Canada  L8S 4M1     \

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