jeff donovan qovcvvebethk12paus feb 21 2008 814 mark martinec wrote attaining 20 sent mails per second possible attain requirement amavisnew way tweak amavisdnew clamd virus scanner internal amavisd decoding barely single host spamassassin checking enabled performance goes radically need split mail traffic across parallel servers see httpwwwijssisoftwareamavisdamavisdnewmagdeburg20050519pdf benchmarking multiple osx servers mx servers pickup relay content filtering relay delivery spreading load use another machine filtering j thu 07 aug 2008 085710 0500 attaining 20 sent mails per second