On 13/12/06, Brent Clark <bclark@???> wrote: > Hi world
>
> I have a question about sender verification.
>
> So what happens when the remote server tries to do a verify on your verification.
> And fails, because it's return verify never found a valid 'mail from'...
That's (one of the reasons) why sender verification is best done (if
at all) with a null sender - which is Exim's default.