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From: Michael Moritz (mimogn.apc.org)
Date: Wed Nov 10 2010 - 07:57:00 CST
six years after announcing my first stable implementation of a greylisting service for postfix I'm pleased to announce yet another implementation of the same thing.
More info and download is here http://mimo.gn.apc.org/greylist.
For those of you who already use gps it's main advantages are
* finely grained configurability
*better memory footprint.
It share its main advantages with the old greylist policy service
* unique method of reverse client suitable for ISPs
* multithreaded tcp server
* database compatibility with the old gps
* highly configurable
* selectively pattern or table match senders/recipients/hosts/..
* use as many databases and database types as you like
* fast and safe
* written in C++, STL
* uses libdbi - MySQL, PostgreSQL, SQLite, SQLite3, Firebird/Interbase, mSQL supported
* whitelisting by client network addresses, recipient and sender email address, client name, ...
* pattern matching based whitelisting (regular expressions) for complex whitelisting needs
After a long testing phase I consider the greylist daemon stable. Please report any problems via the web site http://mimo.gn.apc.org/greylist.