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From Benny Pedersen>
Subject Re: New bitcoin ransom message today
Date Thu, 19 Dec 2019 16:58:15 GMT
On 2019-12-19 17:45, Chip M. wrote:

> Another interesting "tell" is its sloppy/ridiculous SPF:
> 	v=spf1 ip4: ip4: ip4: ip4:
> ip4: ip4: -all
> Perhaps they're anticipating Amazon gobbling up more IP space?!?

sadly spf supports, if spf was designed sane it would be max 
256 ipv4 and one ipv6

if one create a perl module to calc ipv4 / ipv6 in that it can see if 
ips is under 256 to be accepted as pass, then it changes

time to block domains with over so many ips

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