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From: Kai Groshert (kaimaas.de)
Date: Tue Jun 26 2001 - 08:12:39 CDT
> Might I suggest Exim (www.exim.org) ? I've had success with it both as
> a forwarder in a similar situation to what you describe, and in a more
> standard usage of gathering and delivering mail.
> I like Exim a lot because it's reasonably secure, and it's incredibly
> well documented. Everything I wanted to do with forwarding mail was
> answered as one of their FAQs...it has incredible support which is
> important to me, not being a mail expert. It's also really easy to
> OK, that's my unpaid-advert for the day. Good luck!
You can also use exim with the smtpd. The theory behind smtpd is that a
rather limited and small daemon (smtpd) receives the mail from the internet.
Because it's that small there's little room for bugs.
As smtpd doesn't now anything about routing mail, it the passes the received
mail to some "real" mail service like exim, postfix, sendmail or qmail -
so you _need_ something else in addition to smtpd.
The advantage is that no possible attacker can open a direct connection to
your feature-loaded maildaemon and possibly exploit something.
(no I don't work for obtuse... :)