mxORB 

mxORB is a server-side spam filter that consistently blocks over 98% of unsolicited commercial email (also known as spam) at a fraction of the cost of other filtering solutions.
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MAPInotify: Shadow of Power! 

MAPInotify: Shadow of Power! is an advanced skinable mail-checker utility that can monitor unlimited number of mailboxes, IMAP4 folders or any Microsoft Exchange folders and notify you in any number and combination of ways.
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