Security Basics mailing list archives
Re: SPAM filter...
From: Nabil SEFRIOUI <admin () osmium-work com>
Date: Mon, 22 Dec 2003 18:49:38 +0000
Le Dimanche 21 Décembre 2003 09:40, sietze a écrit : u can use a combinaison of postfix+amavis-new+spamassassin. spamassassin accurate enought to be run in a production environement. postfix have a feature to prevent DoS and it can be used to solve your problem. you define a soft and hard error limit, if the soft limit is reached, the server will sleep n seconds (n is the error count) and when reaching the hard limit the server drop the connexion you can specify also a sleep time between each error before reaching the soft limit you can alsa use an antivirus scanner whith amavis-new if you have one, amavis support a lot of them
> > -Paul Kurczaba > ----- Original Message ----- > From: "Vedantam sekhar" <sekhar56us () yahoo com> > To: <security-basics () securityfocus com> > Sent: Saturday, December 13, 2003 1:04 AM > Subject: SPAM filter... > > > Dear All, > > > > Can any body suggest me the mail filter > > software(Opensource :-)) which can avoid the > > dictionary atttacks on the server.Our mx server has > > Solaris O.S. > > > > The spammmers are trying to find out the Valid E-mails > > by blindly sending mails to randomly selected > > characters as receipent ID? > > > > > > Thanks > > > > V.N.SEKHAR > > > > > > > > > > > > __________________________________ > > Do you Yahoo!? > > New Yahoo! Photos - easier uploading and sharing. > > http://photos.yahoo.com/ > > ----------------------------------------------------------------- > --------- > - > > ----------------------------------------------------------------- > --------- > -- --------------------------------------------------------------------- ------ --------------------------------------------------------------------- -------
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Current thread:
- SPAM filter... Vedantam sekhar (Dec 15)
- RE: SPAM filter... Aditya [ Aditya Lalit Deshmukh ] (Dec 16)
- Re: SPAM filter... Paul Kurczaba (Dec 18)
- RE: SPAM filter... sietze (Dec 22)
- Re: SPAM filter... Nabil SEFRIOUI (Dec 22)
- RE: SPAM filter... Wayne S. Ackley (Dec 23)
- RE: SPAM filter... sietze (Dec 22)
- <Possible follow-ups>
- RE: SPAM filter... Shawn Jackson (Dec 16)
- RE: SPAM filter... Naren - Pactech (Dec 16)
- RE: SPAM filter... Shawn Jackson (Dec 16)
- Re: SPAM filter... Kareem Mahgoub (Dec 16)
- RE: SPAM filter... Shawn Jackson (Dec 16)
- RE: SPAM filter... Chris Santerre (Dec 16)
- Re: SPAM filter... Kareem Mahgoub (Dec 17)
- RE: SPAM filter... Shawn Jackson (Dec 17)
- RE: SPAM filter... Chris Santerre (Dec 17)