RE: Problem publishing port

  • From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Sat, 30 Oct 2004 16:34:23 -0700

Let me get this straight; your ISA is listening on TCP:26 to receive
mail from the Internet?
You'll never receive a single item this way, because all email servers
send to TCP:25.
It's one of those neato things that makes email work.

  Jim Harrison
  MCP(NT4, W2K), A+, Network+, PCG
  http://isaserver.org/Jim_Harrison/
  http://isatools.org
  Read the help / books / articles!
 
 

-----Original Message-----
From: Marvin Cummings [mailto:MarvinC@xxxxxxxxx] 
Sent: Saturday, October 30, 2004 1:57 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Problem publishing port

http://www.ISAserver.org

Yes the Exchange server is a SNAT client and there is no error
appearing at the client as I can send mail fine. The problem is on the
external side and getting the ISA server to receive the mail on a
different port and then publishing it to exchange on the specified
port.
I used gmail to try and send test mail to my published server. It
receives the mail delivery error.

thanks


On Sat, 30 Oct 2004 07:21:54 -0700, Jim Harrison <jim@xxxxxxxxxxxx>
wrote:
> http://www.ISAserver.org
> 
> Is the Exch server a SecureNAT client?
> What is the error seen at the client?
> What is in the ISA logs for those requests?
> What are you using to test the connection with; mail client, telnet,
> WinsockTool?
> 
>  Jim Harrison
>  MCP(NT4, W2K), A+, Network+, PCG
>  http://isaserver.org/Jim_Harrison/
>  http://isatools.org
>  Read the help / books / articles!
> 
> -----Original Message-----
> From: Marvin Cummings [mailto:MarvinC@xxxxxxxxx]
> Sent: Friday, October 29, 2004 4:43 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] Problem publishing port
> 
> http://www.ISAserver.org
> 
> I'm having trouble configuring ISA to map port 26 to my Exchange
> server. What I've done is added port 26 to the exchange default SMTP
> virtual server protocol and now want to configure the ISA server to
> open port 26 and map it to this exchange server. This I'm oping will
> allow inbound email.
> What I've done is
> navigate to the properties of my published exchange smtp rule
> clicked the traffic tab where SMTP server is selected
> clicked ports and selected the Send requests to this port on the
> published server: 26.
> 
> I've tried to send messages in externally and waited but nothing is
> coming thru. Could I be doing this wrong?
> 
> Port routing 101...SOS and I'm not seeing strait right now so any
> responses are appreciated.
> 
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Other Internet Software Marketing Sites:
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Leading Network Software Directory: http://www.serverfiles.com
No.1 Exchange Server Resource Site: http://www.msexchange.org
Windows Security Resource Site: http://www.windowsecurity.com/
Network Security Library: http://www.secinf.net/
Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com
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