[Gross] ips.backscatterer.org

Eino Tuominen eino at utu.fi
Tue Apr 1 23:28:38 EEST 2008

Jesse Thompson wrote:
> meh.  looks like the senders that are listed just retry, so there isn't 
> much point in greylisting backscatter unless you see this as a form of 

That's what I expected. After all, to be a backscatterer you have to run 
an MTA.

> 0: Grossd OK. Update queue: 1488 (In: 1488 + Out: 0) Trust: 303364 
> Match: 51545 Greylist: 844001 Queries/sec: 83.623492 Dnsbl matches: 
> grossd dnsbl matches (bl.spamcop.net, dnsbl.njabl.org, cbl.abuseat.org,
> dnsbl.sorbs.net, list.dsbl.org, multihop.dsbl.org, 
> ips.backscatterer.org): 463784, 9178, 188087, 150695, 678, 71, 28933
> (note, to make sense of these stats, only one mta (of 4) was sending 
> DSNs to gross, and we have 2 gross servers.  the stats reflect 4 hours 
> of traffic)

Your amount of traffic always amazes me... So, you get over 160 
recipients per second during peak hours? How many PMX hosts do you run? 
And how many would you run if you didn't run Gross?

   Eino Tuominen

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