Lähettäjä: Marc Perkel Päiväys: Vastaanottaja: exim-users Aihe: Re: [exim] Bounce Address Tag Validation (BATV)
One trick that comes to mind. I can track domains where the local_part
has an = in it. Then once a see one I can perhaps expect all email from
that domain to have the = in it and reject spoofers that lack the = ....