My Ebox mail server bouncing all gmail and google apps hosted mail with "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: 500 500 5.3.3 Unrecognized command (state 9)." error. I have white list all gmail domains also. But no success..
Topic: My Ebox mail server bouncing all gmail and google apps hosted mail (Read 3670 times)