Re: [Exim] Yahoo and sender verification callout

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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.

         srs