SMTP rejected a (%4) mail from '%1' with '%2' connector and the user authenticated as '%3'. The Active Directory lookup for the sender address returned validation errors. %5
SMTP instance '{3}' on server {2} is set to accept and forward messages addressed to non-authoritative SMTP address space ...
SMTP mail queue data for instance '{3}' on server {2} is being written to a compressed folder. Severe performance degradation ...
SMTP mail queue data for instance '{3}' on server {2} is being written to a non-NTFS partition. This configuration does not ...
SMTP mail queue data for instance '{3}' on server {2} is being written to an encrypted folder. Severe performance degradation ...
SMTP rejected a (%4) mail from '%1' with '%2' connector and the user authenticated as '%3'. The Active Directory lookup for ...
SMTP rejected a (%4) mail from '%1' with '%2' connector and user authenticated as '%3'. There was a transient Active Directory ...
SMTP rejected a (%4) mail from '%1' with '%2' connector. The authenticated user '%3' does not have permission to submit mails ...
SMTP rejected a (%4) mail from '%1' with '%2' connector. The user '%3' does not have permissions to send as this address. ...
SMTP rejected a mail from '%1', sender '%4' on '%2' connector, and user authenticated as '%3'. The Active Directory directory ...