RE: Help! I'm not receivng external mail...

  • From: "Mark Fugatt" <mark@xxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Sat, 5 Oct 2002 14:05:23 -0400

Tony

I just tried to telnet on port 25 to smtpgw.dttheroes.co.uk and got "Could
not open a connection to host on port 25: connection failed" looks like a
forwarding problem to me.

Mark Fugatt
Pentech Office Solutions Inc
www.4mcts.com
www.exchangetrainer.com
Tel:  585 586 3890
Fax: 585 249 0316
Cell: 585 576 4750
Visit www.msexchange.org for valuable information about Microsoft Exchange


-----Original Message-----
From: Tony [mailto:tmitchell_33@xxxxxxxxxxx]
Sent: Saturday, October 05, 2002 1:18 PM
To: [ExchangeList]
Subject: [exchangelist] Help! I'm not receivng external mail...


http://www.MSExchange.org/

...but I can successfully send out externally and send/receive internally.
Has anyone any suggestions why this may be happening?
A little background:

- The domain name (dttheroes.co.uk) is registered with netcom.net.uk

- The MX record and (A) record are setup to point at our (static) public
IP address (although the MX record is set to send mail to the server
smtpgw.dttheroes.co.uk).

- The exchange 2K server (sp2) is on interenal server
mphexdc.dttheroes.co.uk (not smtpgw.dttheroes.co.uk), however, the
firewall (firewall-1) NAT policy has been changed to forward all mail
destined for the smtpgw server to mphexdc.

- The firewall log shows this is working okay (a hotmail message sent to
our email system shows up on the log and confirms mphexdc as a valid
address.

- And that's about it... the external mail gets lost somewhere and never
shows up?!

Please help...

Thanks

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