Re: [Exim] Verisign pulls a fast one

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Autor: Walt Reed
Fecha:  
A: Joe Doehler
Cc: exim-users
Asunto: Re: [Exim] Verisign pulls a fast one
On Wed, Sep 17, 2003 at 03:38:53PM -0700, Joe Doehler said:
> At 01:11 AM 9/16/2003 -0700, Pat wrote:
> >...
> >In fact, actually, as I think of it, they'll be getting hit anyway
> >by sites that are attempting to bounce to forged addresses that don't
> >correspond to a real domain.
> >....
>
> Wouldn't that assume that Verisign created MX records for those domains?


Many mail servers fall back to the A record when no MX exists.

BTW, anyone have an ACL that rejects mail when the sender envelope
domain does not have a valid MX record?