Re: SMTP Security
From: NoSpam (me_at_here.com)
Date: 02/22/05
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Date: Tue, 22 Feb 2005 16:01:42 +1100
PS, I am able to Telnet to my own port 80, just not 25. From another PC, I
can Telnet to both port 80 & port 25.
"NoSpam" <me@here.com> wrote in message
news:IYySd.8926$i6.97883@nasal.pacific.net.au...
> I am currently upgrading my Exchange from E2000/W2000 to E2003/W2003.
W2003
> has all of the latest hot fixes and service packs.
>
> I have a command-line utility for sending SMTP messages. On my old W2000
> server, I run a small task every day and e-mail the statistics to myselve
> via this command line utility.
>
> I have tried to port this to my new W2003 with disappointing results.
>
> From my desktop PC, I can use the SMTP utility to send to both the W2000
and
> the W2003 server without a problem. However, when I try to use the
> command-line SMTP utility on the W2003 server to send a message to itself,
> connection fails.
>
> When I try troubleshooting with Telnet to port 25, I get the following
> message, "Connecting To a.b.c.d...Could not open connection to the host,
on
> port 25: Connect failed". This happens no matter what server I attempt to
> contact (external servers as well). I can also connect from the W2000
> server to itself.
>
> Is there a feature in a hotfix or a service pack, possibly aimed at
stopping
> SPAM, etc, that is designed to prevent a W2003/E2003 server connecting to
> port 25 from the command line?
>
> Regards,
> Dean.
>
>
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