On Tue, 9 Feb 1999 18:44:01 -0700, you wrote:
>My ISP's backup mail servers have basically no
>controls on them at all, so quite a bit of spam gets through to me because
>of them.
My approach would be to hack exim as to treat incoming mail from the
backup MX as if it came from the host that delivered the message to
the backup MX. It's a hack since you can't do reverse DNS on that host
at that moment, but if the backup MX creates sane, informative and
trustable Received:-Headers, this could be done in a system filter.
When I finally get through to doing it, I will share the experiences.
Greetings
Marc
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Marc Haber | " Questions are the | Mailadresse im Header
Karlsruhe, Germany | Beginning of Wisdom " | Fon: *49 721 966 32 15
Nordisch by Nature | Lt. Worf, TNG "Rightful Heir" | Fax: *49 721 966 31 29
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