>I erred, though, in the router entry. I was using "domain.com =
>mail.domain.com". Apparently, by specifying a host name as the
>destination, SIMS does a lookup for MX records for that host
>and, guess what, routes the mail back to the smtp.domain.com
>host.

Naw, something must be messed in the DNS or in the netscape server setup.
It does not do an MX lookup in that case, it just delivers to the host
specified, modifying the envelope to deliver to "[EMAIL PROTECTED]".
Perhaps there's no route setup in the Netscape server to accept mail in
the mail.domain.com domain as well as just domain.com, and it's relaying
it's outbound mail through sims, which tries to deliver it again?  Anyway
I have used domain.com=mail.domain.com for various uses and it works just
as advertised.  No MX lookup.  If you WANTED it to do an MX lookup, which
actually would have also solved your problem (depending on your DNS
setup), then you would use:

domain.com=domain.com.smtp  That .smtp suffix (which you can read about in
the archives of this list), tells SIMS to do an MX lookup and handle it
according to the RFC's, which would prevent a mail loop, and SIMS is smart
enough to not deliver to itself, but rather the lowest priority MX that is
online for the domain.  However if the intended destination server has no
MX, that won't do the trick for you.


What I ended up with is:
>
>domain.com - IP.address
>
>in the router.

That too works assuming the destination MTA is configured to accept mail
with the IP in the envelope (which the Netscape server you're dealing with
obviously does).  So if it ain't broke... ;-)

Craig Bowers


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