Delivery to the following recipient failed permanently:
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550 5.1.1 <firstname.lastname@example.org>: Recipient address rejected: americanmutualloans.com (state 14).
Tried asking a few couple of times on already started thread, no one seems to have the solution on it.
my Zimbra.log does not record any errors because my logger does not start.
Any inputs appreciated.