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 rejected (state 14).
----- Original message -----
Received: by 10.227.137.82 with SMTP id v18mr618735wbt.7.1316201948145; Fri,
16 Sep 2011 12:39:08 -0700 (PDT)
Received: by 10.180.101.233 with HTTP; Fri, 16 Sep 2011 12:39:08 -0700 (PDT)
Date: Fri, 16 Sep 2011 12:39:08 -0700
From: heidi jackson <email@example.com>
Content-Type: multipart/alternative; boundary=00163641634b9268e504ad1425de
this server has been established for nearly 10 years. we have four different email domains on the same server. email was literally coming into the server to the primary email domain (mydomain.com) one minute and not the next. this cannot be a configuration issue as nothing has changed and email IS coming into all other smtp connectors on the server.
we do about 85% of our communications with our customers through THIS email domain. any help would be greatly appreciated since we're sort of down until that happens...