ezmlm (and listserv) can generate per recipient SMTP RCPT strings. it
depends on a transport which can deal with wildcard address on incoming
mail (qmail and lsmtp can). most transport systems will do the right thing
and return the bounce to the magic-cookie address but some gateways are
notorious for doing the wrong thing.
the bounce address will then tell you where it came from. e.g.
RCPT TO:<djb-qmail-owner-pjg=acsu.Buffalo.EDU@koobera.math.uic.edu>
the thing that answers djb-qmail-owner mail gets pjg=acsu.Buffalo.EDU as an
argument. i wanted to use a listserv one because they're even more
baroque but i don't have one handy.
>>>>> "Mike" == Mike Nolan <nolan@celery.tssi.com> writes:
Mike> Which depends on all MTA's and MUA's that handle the message
Mike> sending back decipherable bounce messages that uniquely identify
Mike> both the message and the intended receiver.
--
paul
pjg@acsu.Buffalo.EDU |public keys at:
| http://urth.acsu.Buffalo.EDU/~pjg/key.html
if the above contains opinions they are mine unless marked otherwise.
References:
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