Sluggers,
Does anyone know whether there exists a plugin for qmail that allows
incoming e-mail to be tagged for spam based on a DNS lookup for either
the IN MX or IN TXT DNS records for a domain?
Basic technique is that having got the "mail from" and the "remote IP",
the mail scanner looks up the DNS to see whether the remote IP is listed
as either an MX or TXT record for the domain. If not it increases the
spam assassin type tag rating (or adds it's own tag to the header) which
the user can then sort/filter on.
TIA's
Pete.
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