1 - 2 of 2 containing alltags:("The message could not be delivered because the recipient's destination email system is unknown or invalid.")(0.001 seconds)
Currently we have a user that is trying to send mail with attachments (V. Small) to various email addresses. These email addresses have been confirmed as valid, as we can send to them ourselves. Th...
Using Exchange 2003, Client: outlook 2003
UserA has a shared calendar which two people view with full permissions. UserB sends an appointment request and subsequently, outlook tries to send the ...