Re: [exim] SPAM Filtering - Losing the war!

Sometime around Tue, 24 Oct 2006 15:26:56 +0100, it may be that Chris
Lightfoot wrote:
> It must be nice to run a system which only accepts mail
> for you.

I don't. Or rather the rDNS block I was talking about is implemented on
work's email gateways. As far as I'm concerned a false positive on a
rDNS test is a mail servers with a rDNS ... thus the test is
problematic.

A legitimate company (or other organisation) that fails an rDNS check
because they have an incompetent mail administrator is *not* a false
positive. It may well be decided that such a test causes too many
problems (which is what happened here) but that does not make it a
false positive ... as far as I'm concerned.

--
Mike Meredith, Senior Informatics Officer
University of Portsmouth: Hostmaster, Postmaster and Security
If you play the Windows CD backwards you hear a satanic message.
But it gets worse... If you play it forwards it installs Windows.