On Sun, 4 Sep 2005, Stuart D. Gathman wrote:
On Sat, 3 Sep 2005, Gaven Henderson wrote:
So, can somebody explain to me the functional difference between neutral and
softfail? Isn't that like saying "kind of grey" as opposed to "really
SOFTFAIL is for debugging, before switching to -all. Receivers
are encouraged to send feedback (via DSN) for SOFTFAIL. When you
get a SOFTFAIL DSN for a legit message, you have just found a bug
in your policy.
Or you've found a forwarder who dosn't do SRS.
If I send an email through a forwarder that dosn't do SRS, and if the
recipient has strict SPF checking, my email will discarded.
So I have ~all instead of -all at the end of my spf record.
When I can be fairly confident that any random recipient I send mail
to will not go thorugh a forwarder that dosn't do SRS, then I can change
to -all.
When all your SOFTFAIL DSNs are real forgeries,
it is time to switch to -all.
--
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