"Mitch (WebCob)" <[EMAIL PROTECTED]> writes:

> my one complaint from clients - the volume of crap when they DO have
> to look for something - since a large volume of those addresses (at
> least in my case) seem to bounce, removing the messages from pending
> (cause they can never be acked if we can't send the confirm -
> right?) doesn't seem like a bad thing to me.

There are sender address verification techniques that many MTAs
implement that will prevent mail from undeliverable addresses from
ever entering your system.  This is preferred since it's at a level
higher than TMDA.  This was discussed recently.  See also the
smtp-check-sender script in contrib for a TMDA implementation of this.

lists.sourceforge.net implements sender address verification for
example.  This is why you'll notice a reverse SMTP connection from
that machine each time you send a message to a sourceforge mailing
list.

-- 
The future is uncertain, and the end is always near.
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