>Sender Address Verification (smf-sav milter), Recipient Address Verificaton >(smf-sav milter), Grey listing (milter-greylist) and I also use >Connection throttling, all of which occur during the SMTP phase. No disrespect to Snert ... But did anyone catch the smf-sav ?? Looks like milter-ahead.. open sourced .. I must have missed it somewhere..