An open proxy test tries to connect to the senders originating IP address with an SMTP request. If the Microsoft Exchange Edge Transport server receives an SMTP request through known open proxy ports and protocols, the sender is considered an open proxy and a potential threat, and the senders sender reputation level is adjusted accordingly.
An item conflict occurred in public folder %1. Message ID: %2 From: %3 Subject: %4 Received: %5 Database "%8". Notification(s): ...
An item was determined to be corrupt and has been skipped in the current replication manifest. User DN: %1 Folder ID: %2 ...
An older version of '{5}' is present in the Windows 'system32' folder on server {2}. This may cause problems with upgrades. ...
An older version of Active Directory Application Mode (ADAM) is already installed on this computer. You must update to ADAM ...
An open proxy test tries to connect to the senders originating IP address with an SMTP request. If the Microsoft Exchange ...
An operation has encountered a fatal error. The database may be corrupted. The Microsoft Exchange Transport service is shutting ...
An operation has encountered a fatal error. There was not enough disk space to complete the operation. The Microsoft Exchange ...
An outbound call to %1 could not be established. The selected outbound gateway "%2" returned the error: "%3". The Caller ...
An outgoing replication message resulted in a non-delivery report. Type: %1 Message ID: %2 Database "%6". NDR recipients: ...