Marks a message for deletion from the mailbox.
object.DeleteMessage( MessageNumber )
- Number of message to delete from the server. This value must be
greater than zero. The first message in the mailbox is message
A value of zero is returned if the method succeeds.
Otherwise, a non-zero error code is returned which indicates the
cause of the failure.
The DeleteMessage method only flags the message for deletion.
The message is not actually removed from the mailbox until the client
disconnects from the server, however it will no longer be accessible by
the client. To prevent deleted messages from actually being removed
from the mailbox, call the Reset method.