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- http://www.renaissoft.com/maia/ : Maia Mailguard is 'a web-based interface and management system for the popular amavisd-new e-mail scanner and SpamAssassin. Written in Perl and PHP, Maia Mailguard gives end-users control over how their mail is processed by virus scanners and spam filters, while giving mail administrators the power to configure site-wide defaults and limits.'
- http://www.biodef.org/SpamAssassin/Quarantine/ or http://sourceforge.net/projects/saq : 'SAQ is a SpamAssassin Quarantine system that picks potential Spam emails out of the mailstream and puts them aside. Recipients receive daily reports about quarantined emails with a link to click on if they wish to recive any particular email in their inbox.'