Re: Port 25 Not Open, can't receive mail
- From: "Dave Nickason [SBS MVP]" <gwdibble@xxxxxxxxxxxxxxxxxxxxxx>
- Date: Tue, 27 Feb 2007 11:25:06 -0500
What happens if you go to a client PC on the SBS LAN and try to telnet into
Exchange? That'll let you know if Exchange is listening on port 25 - if it
responds normally, it's not an SBS-related problem. A possible exception
would be something unusual with ISA allowing 25 on the internal NIC but not
on the WAN NIC, which would be fixed with the CEICW.
(Just open a cmd prompt and type "telnet <servername> 25" without the
quotes. It should return something like "220 mail.domain.com Microsoft
ESMTP MAIL Service, Version: 6.0.3790.1830 ready at Tue, 27 Feb 2007
11:21:22 -0500").
"Paul Pincente" <PaulPincente@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:BFF54FDF-7E71-413B-ACD6-E9DCFE34B756@xxxxxxxxxxxxxxxx
Hi there,
I'm running into a weird problem with email on an SBS 2003 SP1 box.
All email is getting bounced back, and I can't seem to figure out why.
Email is setup to be delivered directly to the server through the wizard,
all DNS records are setup properly for this - when I use an online MX tool
the correct IP of the server is returned.
From the server itself, I run an online port scan tool, and it reports
that
port 25 is closed. I have checked the DLINK firewall, and the port is
forwarded correctly, and in the firewall log I see no requests to port 25
being rejected during the port scan.
The only thing I can think of is that the smtp server on the box is not
listening. I've disabled the anti-virus (McAfee Enterprise), and still
nothing.
This is very strange because I have numerous SBS boxes setup exactly the
same way, with no issues.
I'm hoping that someone out there can shed some light on this, because I
seem to be running out of options. Have I missed anything?
Thanks to all,
Paul
.
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