Autor: Suresh Ramasubramanian Fecha: A: Marc Haber, exim-users Asunto: Re: [Exim] Yahoo and sender verification callout
At 03:35 PM 5/21/2003 +0200, Marc Haber wrote: >Any ideas why Yahoo is doing this? I doubt that they actually want to
>make sender verification impossible.
Dictionary attacks are much more common than callouts.
And callouts are a total waste of the receiving system's time and system
resources.