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Re: Updating SPF type99 and TXT RR's: Simultaneity is not guaranteed.

2005-08-11 11:45:25
* Scott Kitterman:

I agree, anything contrary to that is an error in the web page.  (But
I can't find such a claim at the moment.)

No, but it was in your last message to the list.  That's what I was
responding to:

"...I still have to temporarily remove SPF records (or TXT records, or both)
to..."

Ah, okay, removing both of them does the job, but probably is not what
you want. 8-)

Timed out is a TempError.  The problem is that this is a TempError
result where what you really want is a result of None since the
domain hasn't published an SPF record.

This is only a problem if TempError and None are treated differently
in the end.

I'm still not clear what the SPF folks actually want in the presence
of failures.  Bounces? 4xx deferrals?  Mail forwarded towards the
destination?  Or is the current ambiguity acceptable?

If you go for ambiguity, it's a waste of time to nail down the exact
difference between None, TempError, PermError etc.


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