On Fri, 23 Apr 2010, Always Learning wrote:
> From: Always Learning <exim.users@???>
> To: Exim Users <exim-users@???>
> Date: Fri, 23 Apr 2010 17:21:40
> Subject: Re: [exim] Exim Mailing List - Imposing Mimimum Technical Posting
> Standards ?
...
> The test in Exim is
>
> deny message = [C06.5] Msg6 Msg2
> hosts = ^.*[a].?[d].?[s].?[l]*
>
> and is intended to reject mail from mail servers having 'adsl' in
> the host name of their connection. 'olga.hinterlands.org' clearly
> does not have 'adsl' but does have 'ads' so I am changing the test
> to
>
> hosts = ^.*[a].?[d].?[s].?[l].?
An alternative to this is to use John Rudd's botnet spamassassin
plugin:
http://people.ucsc.edu/~jrudd/spamassassin/
and assign an appropriate score to suspect DNS hosts.
--
Dennis Davis, BUCS, University of Bath, Bath, BA2 7AY, UK
D.H.Davis@??? Phone: +44 1225 386101
