[Dshield] Extreme increase in spam attempts... any one else seeing similar event?

[Mar Matthias Darin]

Hello, 

Chris Phillips writes: 

> The interesting factor is that the majority of this is coming from DNS 
> registered hosts:
> 480 out of 12110 = 4% not registered
> as opposed to 38 out of 115 = 38% normally... 
> 
> Any ideas about what might be happening? 
> 
> (Also note that these almost totally  don't have valid local
> email addresses as the recipient, though the domain seems
> to be correct mostly.
> [This is from hand sampling so I don't have specific #'s])

I've had nothing unusual at all.  Do you have a few of the IP ranges this 
seems to be comming from? 

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DynaStop: Stopping spam one dynamic IP address at a time.
http://tanaya.net/DynaStop/