Re: SPF
Russell Coker <russell@coker.com.au> wrote in message news:<2lsTe-56S-29@gated-at.bofh.it>...
> On Sat, 24 Jul 2004 14:26, Adam Majer <adamm@galacticasoftware.com> wrote:
> > Indeed. SRS breaks SPF. SPF seems to be good only for direct mailing
> > domains. It essentially breaks all lists.
>
> SPF could be used in conjunction with greylisting.
>
> If there is a valid SPF entry then the greylist time would be short, if there
> is no valid SPF entry (EG mailing list) then make a greylist time of 8 hours.
> 8 hours would be annoying for regular user email (some mail servers generate
> warning messages after 4 hours of non-delivery). 8 hours would not be a
How is that better than greylisting IP's? (Which are harder to obtain
than domains...)
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