Could Be OT: How many people only accept reverse DNS lookup mail?

Julian Field MailScanner at ecs.soton.ac.uk
Thu Aug 17 16:11:16 IST 2006


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Michael Baird wrote:
>
> I've been testing http://smfs.sourceforge.net/smf-sav.html this milter
> as well, on a lower pref MX (Spam Catcher). It goes further then just
> checking reverse DNS, it also checks whether the domain actually accepts
> mail, and if it accepts mail for the specified sender.
>   
When it checks to see if the domain accepts mail, does it try the host 
that sent out the mail, or does it properly look up the MX record of 
that domain and check there?

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Julian Field
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