Re: VGER does gradual SPF activation (FAQ matter)

[Horst von Brand]

jdow <jdow@xxxxxxxxxxxxx> wrote:

[...]

> Greylist those who have not subscribed.

That is not easy to do.

>                                         Let their email server try
> again in 30 minutes. For those who are not subscribed it should not
> matter if their message is delayed 30 minutes. And so far spammers
> never try again.

Wrong. Greylisting does stop an immense amount of spam here, but a lot
comes through.

>                  That's FAR more likely to nail spam than using SPF
> as a singular measure. It doesn't even require the remote DNS
> transaction to check an SPF record.

Right.
-- 
Dr. Horst H. von Brand                   User #22616 counter.li.org
Departamento de Informatica                     Fono: +56 32 654431
Universidad Tecnica Federico Santa Maria              +56 32 654239
Casilla 110-V, Valparaiso, Chile                Fax:  +56 32 797513
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