>From the little bit below, no error message, I'd guess your Exchange IMS is
set to not relay.
----- Original Message -----
From: "Jeremy" <[EMAIL PROTECTED]>
To: "Exchange Discussions" <[EMAIL PROTECTED]>
Sent: Wednesday, September 05, 2001 2:56 PM
Subject: third party client can't send email to external address!?
> Hi,
> We have an Exchange 5.5 and Microsoft Outlook as a client. We have a
> couple of users that uses Purchasing Net on their PC . This software has
> the ability to send out an email directly to our exchange server , then
> our email server should take care of the rest. It works internally ,but
> externally it doesn't .
>
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