Ever since I upgraded to 9.2.3 Domain keys hasn't worked. Many people still have the DNS entry for domain keys yet they are not signing the outgoing messages. This is causing many bounced messages.
The bounce message we keep seeing is
Remote host said: 550 Message does not pass DomainKeys requirements for domain MYDOMAIN.com
The bounce message we keep seeing is
Remote host said: 550 Message does not pass DomainKeys requirements for domain MYDOMAIN.com