SBS203 wont send email to certian domains like yahoo or hotmail
Posted on 2006-10-30
My SBS 2003 server has stopped relaying email to certian domains like hotmail or yahoo.
Here is an example of the error msg I get:
Your message did not reach some or all of the intended recipients.
Subject: Test Email from SBS2003 server
Sent: 10/30/2006 8:42 AM
The following recipient(s) could not be reached:
firstname.lastname@example.org on 10/30/2006 8:42 AM
You do not have permission to send to this recipient. For assistance, contact your system administrator.
<dhsystems.net #5.7.1 smtp;550 5.7.1 Unable to relay for email@example.com>
I am using a connector to send all email via an external server, this was working just fine until today. If I login directly to the external server I am able to send email to these domains just fine.
How do I go about fixing this problem?