I have just found that due to the tremendous amount of Junk e-mail, and my
diligence in adding them to my "Blocked " senders list, I began locking up
and could not down load messages.  I finally went and deleted all the blocked
senders and am starting over on blocking the current batch of spammers.  It
would be nice if the program allowed you to delete blocked senders before a
certain date or archived them or even allowed a larger memory slice for using
a large list.  But I think being able to purge the list if more tahn a yera
old would be best.