SPF the SPam Fighter (Sender Policy Framework)

Less then 12 hours ago I guessed that Google will offer something along with its friends Microsoft and Yahoo!.

It was a bit of surprise that there is SPF initiative. And Google together with GMail are SPF-enabled already.

Time to think about our mail servers. The promise

• SPF fights email address forgery and
• makes it easier to identify spams, worms, and viruses
• hen domain owners designate sending mail servers in DNS, so that
• SMTP receivers can distinguish legitimate mail from spam
• by verifying the envelope sender address against client IP
• before any message data is transmitted.

is tempting, especially the last one (possibility to eliminate receiving the e-mail body), which should save us a lot in times of virus floods.