Package sqlgrey

Postfix grey-listing policy service

http://sqlgrey.sourceforge.net/

SQLgrey is a Postfix grey-listing policy service with auto-white-listing
written in Perl with SQL database as storage backend.  Greylisting stops 50
to 90% of junk mails (spam and virus) before they reach your Postfix server
(saves BW, user time and CPU time).
General Commands
Command Description
sqlgrey Postfix Greylisting Policy Server