On Thu, 17 Jan 2002, Paul Makepeace wrote:
> Is it possible to refuse recipients for sites that don't have reverse
> DNS configured, except when the mail contains addresses in
> particular domains?
This can easily be done in Exim 4. You can use a "dnsdb" lookup to do
the reverse lookup, and a "condition" condition in the ACL to do the
rejection. Something like
deny domains = !some.exceptions
condition = ${lookup dnsdb{ptr=$sender_host_address}{no}{yes}}
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
