[Mailman-Users] Preventing address from being unsubscribed

[Brad Knowles]

At 9:49 AM -0400 2003/07/04, Ed Leafe wrote:

>>  A more pertinent question would be be why is the superior list
>>  should/would be seeing those bounce messages.
>
>  	My thoughts exactly. Occasionally I have had bounce messages sent
>  by other servers back to some address other than the address in the
>  Return-Path: header - some have gone back to the list, some to the
>  list-owner, etc. IOW, something screwy in one of the thousands of
>  servers I send mail to.

	Some MTAs are screwed up.  They do not honor the envelope sender 
address, and instead send bounces back to the "From:" address, the 
"Reply-to:" address, the "Errors-to:" address, or some other bizarre 
address of their choosing.

	LAN e-mail (especially Microsoft products) appear to be the 
biggest offenders, but they are not the only ones.


	There's not much you can do about MTAs that are screwed up.  You 
just hope that your MLM software is capable of dealing with whatever 
bletchery and dreckage that they may potentially generate.

-- 
======================================================================
Brad Knowles, <brad at stop.mail-abuse.org>

"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
     -Benjamin Franklin, Historical Review of Pennsylvania.