The message could not be received from domain-secured domain %1 because of a configuration error on Receive connector %2. You must set Transport Layer Security (TLS) as the authentication mechanism on the connector to receive messages from domain-secured domains.
The memory settings for this server are not optimal for Exchange. For information about how to optimize memory usage in Exchange ...
The message could not be created because one of the contacts could not be found. The contact may have been moved or deleted. ...
The message could not be delivered because the recipient's destination email system is unknown or invalid. Please check the ...
The message could not be delivered because you do not have create permissions on this folder or it is only available to folder ...
The message could not be received from domain-secured domain %1 because of a configuration error on Receive connector %2. ...
The message could not be redirected to an alternate-recipient because that recipient had previously redirected the message ...
The message failed to be submitted because the storage limit for the mailbox that is submitting the message has been exceeded. ...
The message in the queue has expired. The sending server tried to relay or deliver the message, but the action was not completed ...
The message is too large for the local quota. For example, a remote Exchange user may have delivery restrictions set with ...