SMTP instance '{3}' on server {2} is configured to allow basic authentication. For additional security, this can be disabled on back-end mailbox servers.
SMTP instance '{3}' on server {2} failed the mail acceptance test over port {9} when trying to open the remote socket: {1}. ...
SMTP instance '{3}' on server {2} failed the mail acceptance test. Check that the SMTP server is functioning correctly. Verb ...
SMTP instance '{3}' on server {2} failed the open relay test. Restrictions are in place, but the workstation or user running ...
SMTP instance '{3}' on server {2} failed the open relay test. This issue should be addressed as a matter of urgency if this ...
SMTP instance '{3}' on server {2} is configured to allow basic authentication. For additional security, this can be disabled ...
SMTP instance '{3}' on server {2} is configured to disallow NTLM authentication. This can cause authentication problems between ...
SMTP instance '{3}' on server {2} is configured to route all messages via smart host '{1}'. This option can cause mail flow ...
SMTP instance '{3}' on server {2} is configured to route all messages via smart host '{1}'. This option can cause mail flow ...
SMTP instance '{3}' on server {2} is configured to use an external DNS server. This can cause performance issues and is not ...