"Ken Schaefer" wrote:

> Port 25 is generally used by an SMTP server.
>
> There is an SMTP server included with IIS on both Windows XP and Windows
> 2003, however IIS is not installed by default on either of those operating
> systems. Please go to Start -> Control Panel -> Add/Remove Programs ->
> Windows Components and install the necessary IIS components.
>
> Make sure you get the latest security patches for IIS! Use Microsoft
> Baseline Security Analyser (MBSA) to verify you are up-to-date:
> www.microsoft.com/technet/security/tools/mbsahome.mspx
>
> Cheers
> Ken
>
> "ingerliseATwork" <ingerliseATwork@discussions.microsoft.com> wrote in
> message news:AB3DFFA3-C03B-4763-94CB-278D6B9F2B14@microsoft.com...
> >I am new to win2003 servers and active directory!
> > Have a Windows2003 server with allmost default installation, and a Windows
> > XP on same LAN. Have an ADSL connection to ISP, and have access to SMTP at
> > ISP. If I connect a windows2000 pro PC to the LAN, and try
> > telnet [my ISP SMTP] 25 I get answer from ISP SMTP.
> > If I try with my Win2003 or my Win Xp I does not get connectio. When I try
> > a
> > LanPortScan program, I can see that port 25 is "closed". I have disablet
> > any
> > firewall, I have checked that no filter is in LAN card.
> > Please Help How does I proced?
>
>