>> > If I look at my setting, I estimate there are 100 more SMTP connections >> > per user per day due to greylisting. For a site with 5000 users (my >> > case), this means that 200.000 SMTP connections per day will become >> > 700.000... >> >> When you count 200k connections per day, do you count everything, or >> everything minus spam and viruses? Everything, including spams and virus. >> If it's everything, then most of your connections won't be retried because >> of greylisting, since spam and viruses never retry. So you don't jump to >> 700k. I don't agree. I estimated 100 MORE connections per day per user. 5000 users = 500.000 more SMTP connections. For virus, I know they can retry: May 19 19:28:18 nef milter-greylist: i4JHSIl0089807: addr 217.174.203.201 from <> to <Webmaster@...> delayed for 00:58:00 May 19 19:34:59 nef milter-greylist: i4JHYxuG093055: addr 217.174.203.201 from <> to <Webmaster@...> delayed for 00:51:19 May 19 19:54:59 nef milter-greylist: i4JHsxmT003327: addr 217.174.203.201 from <> to <Webmaster@...> delayed for 00:31:19 May 19 20:28:20 nef milter-greylist: i4JISIFi019762: addr 217.174.203.201 from <> rcpt <Webmaster@...>: autowhitelisted for 720:00:00 This is W32/Sober.g@MM. -- Jacques Beigbeder | Jacques.Beigbeder@... Service de Prestations Informatiques | http://www.spi.ens.fr Ecole normale sup\ufffdrieure | 45 rue d'Ulm |Tel : (+33 1)1 44 32 37 96 F75230 Paris cedex 05 |Fax : (+33 1)1 44 32 20 75
Message
Re: [milter-greylist] is this a DoS?
2004-05-26 by Jacques Beigbeder