Send "hangup"

[CarolReal]

When I logon - outlook indicates "sending message 1 of 1"; however, there are
no messages in my outbox. Then I receive an error. How can I get rid of
whatever it is trying to send? Probably was from a distribution list.

 

[K. Orland]

It's likely a stuck read receipt:

http://www.howto-outlook.com/howto/deletereadreceipt.htm