Tries to send non-existent messages

[GEM]

Outlook 2003 tries to send messages via a remote mail server when there are
no messages in the OUTBOX to be sent, then displays an error message when the
remote mail server times out.

 

[Brian Tillman]

Outlook 2003 tries to send messages via a remote mail server when
there are no messages in the OUTBOX to be sent, then displays an
error message when the remote mail server times out.

Perhaps an undelivered read receipt. See this:
http://www.outlook-tips.net/howto/delete_rr.htm