Hi all,

I'd appreciate some help if you can.

The scenario I have is:
I have an IIS server with SMTP installed.  To send via the Exchange 2003 ser
ver, we use Smart Host.
I have set-up SMTP on the IIS box to use the AD domain for the fully-qualifi
ed domain name and masquerade domain.
Our AD domain is different from our email domain.  For example, our AD domai
n is DL.net and our email domain is Davislangdon.net

We also have the same set-up as above, but the server is in a DMZ.  Our prob
lem is with the DMZ server!


Using the AD domain:

When I use telnet to send an email, it all works fine:
----
telnet XXX 25
HELO DL.net
250 XXX Hello [IP.IP.IP.IP]
MAIL FROM:someone@DL.net
250 2.1.0 someone@DL.net....Sender OK
RCPT TO:someoneelse@DL.net
250 2.1.5 someoneelse@DL.net
DATA
Heloo there how are you?

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