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Re: [Meta/OT] Spam from someone on this list
On Wed, 17 Mar 2004, Tony Earnshaw wrote:
> Very much OT; get lots of that and block it on this machine with Postfix
> header_checks, on others with amavisd-new/SA (don't forget that mime can
> be headers, throughout the whole of a missidge).
But from someone on the list? My first in two years.
> > The headers can't be trusted, of course,
> Quite the reverse in fact, if you're looking for the right headers.
Wrong; the only header that can be trusted is the top-most Received:
header (your mail server) plus any hops within your domain. And even
then, it replies upon the DNS being trusted.
> Don't have any DOS-boxs.
Neither do I, but I'll bet a lot of others do. And being infected is
Dave Horsfall DTM VK2KFU firstname.lastname@example.org Ph: +61 2 9906-7866 Fx: 9906-1556
Corinthian Engineering, Level 1, 401 Pacific Hwy, Artarmon, NSW 2064, Australia