Date: Fri, 14 May 2004 10:10:18 +0200 From: "Slawek" <sgp@telsatgp.com.pl> To: <freebsd-isp@freebsd.org>, <freebsd-security@freebsd.org> Subject: Re: How do fix a good solution against spam.. Message-ID: <00e201c4398a$e56aac60$0505a8c0@Slawek> References: <1886.213.112.193.11.1084410012.squirrel@mail.hackunite.net><20040513040222.2b80e76e.freebsd@yazzy.org> <40A32939.9000100@kernel32.de> <20040513212144.GA37257@carrick.bishnet.net>
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Hello! In message to "Marian Hettwer" <Mh@kernel32.de> sent Thu, 13 May 2004 22:21:44 +0100 you wrote: >>> Not only it's way faster than perl based messagewall, amavisd and >>> mailscanner etc but it also has neat stuff like making connections >>> back to the sender's MX checking for validity of the sender's email. >> >> This Feature sounds interesting. How is it actually called in exim ? >> I'd like to check the exim docu to see some details, because it really >> sounds interesting. >> >> Could you provide me with some keywords to search for ? TB> In Exim you're looking for sender callout verification. TB> http://www.exim.org/exim-html-4.30/doc/html/spec_38.html#SECT38.21 TB> It's pretty trivial to turn on, and in my experience works well. One should be careful with source address checking as it may block mails in e-mail discussion lists when source e-mail address is nonexistent. Using things like "NO_SPAM" or "DELETE_THIS" in e-mail address is common (and justified) in discussion lists. -- Slawomir Piotrowski
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