Am 19.09.2011 19:07, schrieb Marek Salwerowicz: > Hi all, > > I am new to Postfix-users mailing list so would like to say hello to everyone > ;) > > I am wondering what rbl's are you using to prevent your MTAs against spam? > My current config is as follows: > > > reject_rbl_client zen.spamhaus.org, > reject_rbl_client t1.dnsbl.net.au, > reject_rbl_client dnsbl.njabl.org, > reject_rbl_client sbl.spamhaus.org, > reject_rbl_client cbl.abuseat.org, > reject_rbl_client dul.dnsbl.sorbs.net, > reject_rbl_client psbl.surriel.com, > reject_rbl_client bl.spamcop.net,
you should use as few blacklists as possible and not active blindly the above way you can be sure to have false-positives because if a sender is not on 5 of them he has godd chances to be on the sixt good anti-spam solutions are working with scoring + intention analysis for commerical use i would tend to a anti-spam applicance as MX in front of the mailserver and never expose the mailserver directly
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