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Folks,

Our ASP application has been sending emails using SMTP server for almost
2-3 years now. All of a sudden we keep receiving these random
undelveriables, which doesn't make sense since this email address
exists, from our previous experince.

An example:
====
Your message did not reach some or all of the intended recipients.

Subject: <subject matter>
Sent: 4/19/2005 4:22 PM

The following recipient(s) could not be reached:
joe@xxxxxxxx on 4/19/2005 4:22 PM
You do not have permission to send to this recipient. For
assistance, contact your system administrator.
<server_name> #5.7.1 smtp;550 5.7.1 Unable to relay for
joe@xxxxxxxx>
====

Changed the server name, email address only, but you get the basic
picture.

We have also enabled smart host on server that has SMTP installed.
Our SMPT server is W2K and Exchange server is Windows 2003.

Any help is much appreciated.

Thanks.

*** Sent via Developersdex http://www.developersdex.com ***
.

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