A user receives a bounce back when sending from a particular alias to a particular recipient. Sending to the same recipient from the other alias goes through correctly. Could this be a problem with the SMTP sending connector?
Your message did not reach some or all of the intended recipients.
Subject: Best Insurance Update
Sent: 2/05/2012 5:00 PM
The following recipient(s) cannot be reached:
Darryl Anthony Smith on 2/05/2012 5:00 PM
You do not have permission to send to this recipient. For assistance, contact your system administrator.
MSEXCH:MSExchangeIS:/DC=local/DC=contoso:CONTOSOSVR
Level 1 Support Technician