Email is being rejected as "not authorized" to .ru recipient
Posted on 2011-03-03
Delivery has failed to these recipients or distribution lists:
Your message wasn't delivered because of security policies. Microsoft Exchange will not try to redeliver this message for you. Please provide the following diagnostic text to your system administrator.
The following organization rejected your message: oedge2.micex.com.
Sent by Microsoft Exchange Server 2007
Is this blocked by another party or can it be resolved by an exchange server setting?