[ale] I have a Firewall problem and need help.

[Keith Hopkins]

Michael von Borstel wrote:
> Hey Keith, I am not good very good at writing but here goes. I am wanting
> Sendmail to route the smtp to the exchange server.
> Exchange can send through Sendmail. The problem comes in with the names of
> the servers. Sendmail is masq. as my exchange server and I listed the
> servers in the I believe hosts-domains file. But when sendmail gets mail for
> the domain it looks at the internet DNS before it at the host file (or
> doesn't find it all) and tries to send the mail to our website at earthlink.
> I played with it for hours and could get the mail to the exchange server,
> but the only it would work was for sendmail to change the domain in the user
> address. does that make any sense. thanks Michael

Let's see if I have this right...

at vonBorstel.net we have (1x) Sendmail_server, and (1x) SmallLimp_server....
Mail is delivered to the Sendmail_server for vonBorstel.net, but you really honestly and truely want it delivered to the SmallLimp_server.  You actually want Sendmail to be a relay (beware you don't turn it into an open relay).
The Sendmail_server's (notso)SmartRelay or MailHub is set to earthsink.net.

Am I even close?

I think part of the answer lies in the "VirtualUserTable" where you can tell Sendmail that mail to @vonBorstel.net is actually intended for @SmallLimp.private.lan....

The trick is going to be getting Sendmail to actually relay to SmallLimp_server instead of piping it to earthsink.

Ok, I don't think I'm seeing the whole picture here.

Q1) Who is sending mail to sendmail?  Is sendmail running on your own PC and just serving you?  Is sendmail the target of mail from the internet? or a dept server?

Q2) Why would you want to deliver it to an Exchange server anyway? <kidding>

real Q2) How does Sendmail know to deliver anything to earthsink?

Q3) Are you using MX records in DNS?  Are you using a internal/private DNS server you can modify those records on?

Q4) Maybe having sendmail Masq as vonBorstel.net is the wrong thing to do.  We want it to relay, not try to deliver locally.

Then again, I may be going at this backwards.  Sorry, got more questions and no real answers for you (yet).

-- 
Lost in Tokyo,
   Keith



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