Subject: [spfbis] Issue: Best-Guess SPF

From: "Murray S. Kucherawy" <[email-masked]>
Date: Thu, 16 Feb 2012 19:48:55 -0800

I'd like to have a section, or at least an appendix, that talks about best-guess SPF: What it is, why/when it is or isn't a good idea, etc.