看板FB_security
標 題Re: How do fix a good solution against spam..
發信站NCTU CSIE FreeBSD Server (Thu May 13 21:00:07 2004)
轉信站ptt!FreeBSD.csie.NCTU!not-for-mail
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On Thu, May 13, 2004 at 09:52:25AM +0200, Marian Hettwer wrote:
> Martin Jessa 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.
>=20
> 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.
>=20
> Could you provide me with some keywords to search for ?
In Exim you're looking for sender callout verification.
http://www.exim.org/exim-html-4.30/doc/html/spec_38.html#SECT38.21
It's pretty trivial to turn on, and in my experience works well.
Cheers,
Tim.
--=20
Tim Bishop
http://www.bishnet.net/tim
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