[exim] Re: Incoming emails spoof check

Gururajan Ramachandran <gururajan20815@???> wrote:
> I checked the samples for "spoof" but could not find a
> match (also the online doc). Do you know of any
> examples to check incoming emails for spoofing by
> matching domain part against a series of IP addresses?
> Such as xxx.org must be in the range 200.134.80.*?
> Preferably in the ACL checking area.

deny 
    hosts = !200.134.80.0/255.255.255.0
    sender_domains = xxx.org : *.xxx.org
    message = Host may not use xxx.org in MAIL FROM

You are aware that stuff like this breaks horribly when forwarding is
involved?

http://homepages.tesco.net./~J.deBoynePollard/FGA/smtp-spf-is-harmful.html

            cu andreas
-- 
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