RE: Publishing a virtual SMTP server
- From: "Peter Pape" <papexpjboi@xxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Sat, 8 May 2004 16:57:24 -0600
Hi Marvin,
I think I understand now. The Web Server will only send mail out. ISA message
screener and Exchange handle the inbound mail. So, if you configure the
default SMTP virtual server on the Web Server to relay mail to the Exchange
box. The following KB article will help explain how to configure the relay.
http://support.microsoft.com/default.aspx?scid=kb;en-us;308161&Product=win2000
Check out the section on 'How to Set Up a Smart Host'.
Hope that helps...
Peter
----- Original Message -----
From: Marvin Cummings
To: [ISAserver.org Discussion List]
Sent: Friday, May 07, 2004 11:40 PM
Subject: [isalist] RE: Publishing a virtual SMTP server
http://www.ISAserver.org
Peter
Yes the SMTP server, or web server, will send mail to any user that
creates an account to the site. The web or SMTP server is an SNAT client
and performs dns lookups thru ISA. I think having the SMTP service on my
web server relay to the exchange server is the way to go. The question
is that if the mail server is being relayed to by the ISA server, how do
configure SMTP on the web server? The SMTP filter currently being used
isn't allowing me to do anything.
Thanks
-----Original Message-----
From: PETER PAPE [mailto:papexpjboi@xxxxxxx]
Sent: Friday, May 07, 2004 7:03 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Publishing a virtual SMTP server
http://www.ISAserver.org
Hi Marvin,
Do you want the SMTP server to receive mail or just send mail?
If you need to send mail you'll need a protocol rule allowing your SMTP
server to pass SMTP (port 25 outbound) traffic through. ISA has this
protocol definition already defined so you don't need the one you've
created.
Does the SMTP service need to perform DNS lookups? If so, it will need
to
be able to perform DNS lookups through ISA. If it is a SNAT client,
you'll
need to provide rules for the SMTP service. If the server is a firewall
client, I believe the firewall service will do the DNS lookups.
If you need the SMTP server to receive mail, then you'll need to publish
it
using a server publishing rule. But, it sound like you already have a
mail
server published for your domain?
As an alternative, if your mail server is already able to send a receive
mail etc. You may just want to have the SMTP service on your webserver
relay to your mail server? That option depends on the configuration of
your
network. Its been a while since I worked with this stuff so I might be
a
little rusty.
Hope that helps...
Peter
>From: "Marvin Cummings" <marvc@xxxxxxxxxxxxxxx>
>Reply-To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
>To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
>Subject: [isalist] Publishing a virtual SMTP server
>Date: Fri, 7 May 2004 18:28:15 -0400
>
>http://www.ISAserver.org
>
>I need a confirmation:
>
>I have a postnuke site on my web server that I need to be able to send
>mail from. The web server's already published in ISA and the site's
>accessible externally. I've installed the SMTP component on the web
>server and I configured it to use its internal IP. I've also created a
>Protocol definition with the following settings:
>
>Filter Type
>
>Custom Filter
>
>IP Protocol: TCP
>
>Direction: Both
>
>Local Port: All ports
>
>Remote Port: Fixed
>
>Remote Port Number: 25
>
>
>
>Local Computer: external IP of ISA server
>
>Remote Computer: Internal IP of web server
>
>
>
>I have SMTP configured to relay for my internal exchange server and
need
>to know how do I configure or publish this SMTP server in ISA? I have
my
>external zone files pointing to mail.mydomain.com which is the same
>static IP that points to one of my other sites.
>
>Sorry for the confusion but any responses are appreciated.
>
>
>
>Thanks
>
>
>
>
>
>
>
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