wayne wrote:
It is ESSENTIAL that a ?all record fares no worse than no record in
spam checking, otherwise publishing SPF records INCREASES the
likelihood that some of a domain's outgoing mail will be treated as
spam, and people will refuse to implement it.
This kind of mild negative scoring was what softfail was for. I think
we could bring back ~all without causing backwards incompatibility.
This was recently mentioned on spf-devel (and is probably material for
that list).
My comments (summary: "no"):
http://archives.listbox.com/spf-devel(_at_)v2(_dot_)listbox(_dot_)com/200401/0006.html
Wechsler
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