Autor: Jakob Hirsch
Fecha:
A: Johann Spies, exim-users
Asunto: Re: [exim] Sign-key solution for backscatter-spam?
Quoting Johann Spies:
> I don't want to use SPF and don't want to start a flame war on it
> (again) but I want to stop backscatter-spam.
Isn't that what Exim's builtin BATV prvs is about?
Note that it assumes (as probably all solutions like that) that all mail
is sent through systems controlled by you.