Message rejected due to user rules
- 550 message rejected due to user rules
- Smtp 550 message rejected due to user rules
- Diagnostic code smtp 550 message rejected due to user rules
- 550 message rejected due to user rules in reply to end of data command
- The response from the remote server was 550 message rejected due to user rules
- Recipient address rejected user unknown in virtual mailbox table
- The requested url was rejected. please consult with your administrator
- Url was rejected. please consult with your administrator