Gmail's receiving mostly authenticated email

Bill Stewart bill.stewart at pobox.com
Sat Dec 14 23:27:24 PST 2013


At 09:56 PM 12/14/2013, Peter Gutmann wrote:
>Bill Stewart <bill.stewart at pobox.com> writes:
>
> >Saw an interesting article from Gmail on their inbound email 
> statistics. Over
> >91% is authenticated with either DKIM or SPF.
>
>What percentage of that is using 512-bit keys?

They didn't say.  (And the threat model for spam protection probably 
doesn't include spammers cracking RSA keys, so 512-bit would be 
perfectly adequate, but I'd hope people were using 1024.)




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