OK, so what changes the rules in the PIX to allow the mail to flow after the
ETRN?
ETRN is /not/ TURN. ETRN merely indicates to the queueing host "I'm here
now". The host still uses the same inbound SMTP connectivity it would have
tried to use before the mail was queued.
=======================================================
Andy Webb [EMAIL PROTECTED] www.swinc.com
Simpler-Webb, Inc. Austin, TX 512-322-0071
-- Eating XXX Chili at Texas Chili Parlor since 1989 --
=======================================================
-----Original Message-----
From: Nizar El-Assaad [mailto:[EMAIL PROTECTED]]
Sent: Monday, September 24, 2001 9:10 AM
To: Exchange Discussions
Subject: ETRN without dial-up
Hello
Does the ETRN command work without a dial-up connection, i.e. on a LAN/WAN?
I am asking this question because I have a problem in configuring my mail
system. My problem is that I have my mail server (where all the mailboxes
reside) behind a PIX firewall on the secure subnet. Incoming internet mail
will not go directly to my mail server, but to a mail gateway instead,
located in the DMZ. Now this gateway will hold the mail until my original
mail server opens a connection to it to retrieve the mail (firewall
configuration only allows connections to be initiated from the secure zone
to the DMZ). I was thinking of using ETRN to dequeue the mail on the
gateway. Is this feasible? Better yet, is this configuration reasonable, or
there are better alternatives? I heard that ETRN only works with dial-up
connections, is this true?
Thanks a lot for the assistance.
Best Regards
Nizar El-Assaad
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