On Tue, May 11, 2004 at 01:08:00AM -0400, Meng Weng Wong wrote:
| For the purpose of testing SPF accuracy on corpora (which is important
| to filters), it would be very nice if the SPF record could carry an
| optional date identifier signifying since when the record has been
| effective. Basically, meaning, don't bother trying to verify SPF mail
| sent before that date or time.
|
| It could be ISO date format (YYYY-MM-DD) or seconds since epoch.
That is an intriguing suggestion which I had not considered before.
Please stop considering. I feel reluctant to keep a change history
in DNS.
v=spf1 +a:host1 valid from 2003-01-23 valid until 2004-03-21 +a:host2
valid from 2003-10-09 +a:host3 valid from 2004-05-11 ...and so on and on
No thanks.
cheers,
Alex
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