c:\telnet <exchange server> 25
Wait for the SMTP header then type (each line after the server responds):
HELO blah.blah.blah MAIL FROM: test@xxxxxxxxxxx RCPT TO: test@xxxxxxxxxxx DATA blah This text will appear in the mail message. <blank line> . <blank line> QUIT
Hope this helps.
From: "Newhouse, Christina C." <CCN@xxxxxxxx> Reply-To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx> Subject: [isalist] Re: Unable to Relay Date: Mon, 4 Feb 2002 15:50:28 -0500 No, ISA is running on a Windows 2K box and Exchange is on a Windows NT4 SP6 box.
-----Original Message----- From: Gabriel Zabal [mailto:gabriel@xxxxxxxxxxx] Sent: Monday, February 04, 2002 3:46 PM To: [ISAserver.org Discussion List] Subject: [isalist] Re: Unable to Relay
Are you running Ex and ISA on the same server ?
Gabriel Zabal gabriel@xxxxxxxxxxx
----- Original Message ----- From: "Christina Newhouse" <ccn@xxxxxxxx> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx> Sent: Monday, February 04, 2002 12:26 PM Subject: [isalist] Unable to Relay
> For the last two weeks, after we rebooted our Exchange 5.5 server, we were
> unable to receive inbound e-mail. However, we could send emails and we
> had interoffice e-mail. The NDR states the following:
> The following address had permanent fatal errors - (ccn@xxxxxxxx)
> ...while talking with mail.tpgl.com:
> >>>RCPT To:<ccn@xxxxxxxx>
> <<<550 Unable to relay for ccn@xxxxxxxx
> 550 <ccn@xxxxxxxx>...User unknown
> After I reboot the Exchange server, ISA server and stop and restart the
> IMS service and SMTP service on Exchange numerous times, we will suddenly
> start to get inbound e-mails again. It's a mystery to me.
> Thanks for any advice or suggestions!
> Tina Newhouse
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