Re: Response to DDoS using SPF

"David MacQuigg" opined:

> Simply removing SPF may not be an option.  More likely there would be a
> worldwide switch to SenderID [... ,] which avoids all these problems.

SenderID uses the same record syntax and DNS look-up system as SPF. It is, I
suspect, therefore vulnerable to the same kind of DDOS attack, with the same
potential for amplification.

Chris Haynes