SV: Re: "valid since" addition to SPF?

> > > Basically, meaning, don't bother trying to verify SPF mail
> > > sent before that date or time.
> > That is an intriguing suggestion which I had not considered before.
> Please stop considering.  I feel reluctant to keep a change history
> in DNS.
I totally agree. The SPF record should be valid for the time of receipt,
and there should be no significant delay between the receipt of an
e-mail and the SPF check, so this is all not necessary.

Lars.