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Re: IETF SMTP Working Group Proposal at smtpng.org
- From: Brad Knowles
- Date: Fri Aug 23 13:22:34 2002
At 12:55 PM -0400 2002/08/23, Greg A. Woods wrote:
That's a new requirement in a new RFC. How many sites are there
in the world that run older MTAs that do not necessarily always
implement this rule? Indeed, are there any MTAs which exist today
that enforce this rule in all cases? Even if you do have an MTA
which implements this rule, what if all you have is the alias, and
there is no "-owner" or "owner-" address defined?
All correctly implemented SMTP mailers _MUST_ modify the envelope sender
address when forwarding a message to the target address(es) of an alias.
So, you run a big site, with tens of millions of customers. Are
you going to tell them all to "piss off" if they're subscribed to a
mailing list that is not implemented according to this rule?
Brad Knowles, <firstname.lastname@example.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.
GCS/IT d+(-) s:+(++)>: a C++(+++)$ UMBSHI++++$ P+>++ L+ !E W+++(--) N+ !w---
O- M++ V PS++(+++) PE- Y+(++) PGP>+++ t+(+++) 5++(+++) X++(+++) R+(+++)
tv+(+++) b+(++++) DI+(++++) D+(++) G+(++++) e++>++++ h--- r---(+++)* z(+++)