A few weeks ago I asked the list for help regarding a majordomo digest
list that was generating a large number of bounces with the error
message "user unknown" when we knew that the user addresses were good.
First, thanks to those who responded, particularly Nigel Metheringham
<nigel@theplanet.net> who spotted the fact that the remote host
transport was sendmail and the error message we were receiving refered
to the list owner rather than the target user.
Solution:
It seems that some sendmail installations can't deal with the
Error-to: header, possibly looking on their own systems for the user
listed there or simply rejecting that header (non-standard?). When I
took the text generating the Error-to: header out of the digest
script, the mail succeeded
don
Don Hayward, JAPH
Mote Marine Laboratory don@marinelab.sarasota.fl.us
1600 Ken Thompson Parkway Voice: 941.388.4441
Sarasota, FL 34236 Fax: 941.388.4312
We are an independent, non-profit, marine and estuarine
research and education facility.
require "disclaimer.pl"; # We run Linux
See: http://www.marinelab.sarasota.fl.us/
http://www.marinelab.sarasota.fl.us/~don
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