SPF is harmful. Adopt it.

[Jonathan de Boyne Pollard]

SC> I am not so sure SPF could be called "ill-concieved", [...]

<URL:http://homepages.tesco.net./~J.deBoynePollard/FGA/smtp-spf-is-harmful.html>

If the idea of SPF is to be the straw that breaks the camel's back,
by finally making SMTP-based Internet mail so balkanised and patchy
that it is unusable, then it is excellently conceived.

You are encouraged to adopt SPF wholeheartedly and with gusto.