Forum Discussion
451 4.7.0 PRX4
Hi we are using exchange server 2013 when we are trying to send mail from application getting error message 451 4.7.0 temporary server error PRX4.
Harpreet_Singh internal external mail both got this error?
Make sure you check the below things to diagnose the problem
Things to check on application
1. Server name/smarthost?
2. SSL/TLS enabled?
3. Port No?
1. Server name/smarthost?
2. SSL/TLS enabled?
3. Port No?
Things to check on server:
1. Is there a send connector present for those emails?
2. Send connector should have application's IP added in it.
1. Is there a send connector present for those emails?
2. Send connector should have application's IP added in it.
Regards,
Akshay
System Admin - Apps4Rent