Date: Fri, 08 Apr 2005 10:03:27 +0200 From: Christian Damm <christian.damm@diewebmaster.at> To: Bikrant Neupane <bikrant@wlink.com.np> Cc: vaida bogdan <vaida.bogdan@gmail.com> Subject: Re: mail software for freebsd Message-ID: <42563ACF.9010801@diewebmaster.at> In-Reply-To: <200504081116.21724.bikrant@wlink.com.np> References: <12848a3b05040301115bba0d74@mail.gmail.com> <200504081116.21724.bikrant@wlink.com.np>
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Bikrant Neupane schrieb: > We have been using qpsmtpd in our mx for almost 2 years now. It is written in > perl and is modular but resource utilization is very high in terms of cpu and > memory usage. > > It checks for: > > early talkers > spam helo > max limit to unrecognized commands > dns resolve > tarpit limit > badmailfrom > badrcptto > dnsbl > recipient verification from radius for local domains > spamassassin > grey listing > > and lot more. > > By using above filters I have been able to filter out more than 70% of the > mails that my MX receives. And some modules can reject mails just by reading > the mail headers even before getting the data. This does save bandwidth on my > link. Qpsmtpd finally delivers the mail to qmail-queue. However I have > patched qmail to integrate it with qmail-scanner. Qmail-scanner then calls > clamdscan which checks for virus with the clamd running on another server. > > But obviously this system is not fast!!! and is heavy on resources and that's > the only issue I have. User validity check against radius is the main feature > for which we are using qpsmtpd. > > Can you one suggest me a better mta than this with all those features :) if you are looking for an extremely fast, stable, secure and scalable MTA with top notch anti-spam features out of the box, go with postfix - you wont regret it...all of the anti ube/uce stuff you mentioned above is possible with postfix (some of them with a little bit of tweaking) because of postfix`s very modular architecture. > > > regards, > Bikrant > > > > > On Sunday 03 April 2005 14:56, vaida bogdan wrote: > >>Hy, I woule like to know which mail setup that has the following >>characteristics you use for primary mail servers: >> - fast and reliable delivery >> - anti spam/phishing/virii filterring >> >>I would like to reduce the number of packages used in my current >>configuration or possibly change it as I have a hard time debugging >>problems. >> - postfix+qmail maildir >> - courier imap >> - razor agents >> - procmail >> - spamassassin >> - amavis >> - clamav >> - cyrus sasl2 >> >>Thanks, >> Bogdan >>_______________________________________________ >>freebsd-isp@freebsd.org mailing list >>http://lists.freebsd.org/mailman/listinfo/freebsd-isp >>To unsubscribe, send any mail to "freebsd-isp-unsubscribe@freebsd.org" > > _______________________________________________ > freebsd-isp@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-isp > To unsubscribe, send any mail to "freebsd-isp-unsubscribe@freebsd.org" > > !DSPAM:4256175c625692098659935! > -- mfg. christian damm technische leitung phone: dw 42 email: christian.damm@diewebmaster.at icq at work: 124464652 die webmaster - flötzerweg 156 - 4030 linz - austria phone: +43-732-381242, fax: +43-732-381242-22, isdn (leonardo): +43-732-381242-33 homepage: www.diewebmaster.at, public email: office@diewebmaster.at
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