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Re: BCP38 thread 93,871,738,435 + SPF

  • From: Michael.Dillon
  • Date: Fri Oct 27 05:58:36 2006 
> How is this attack avoided?

Sounds like the attack is inherent in SPF. In that case,
avoiding it is simple. Discourage the use of SPF, perhaps
by putting any SPF using domain into a blacklist.
Eventually, people will stop using SPF and the attack
vector goes away.

--Michael Dillon