[nsp-sec] A mystery - Where did the spam go?

[White, Gerard]

Depending on the "intensity" of these Joe-Jobs, they have been known to
knock over SMTP platforms that can't tolerate the sudden infiltration of
bounce messages towards them...

GW
855 - Bell Aliant

-----Original Message-----
From: nsp-security-bounces at puck.nether.net
[mailto:nsp-security-bounces at puck.nether.net] On Behalf Of Borja Marcos
Sent: Tuesday, February 26, 2008 7:43 AM
To: Joel Rosenblatt
Cc: nsp-security at puck.nether.net
Subject: Re: [nsp-sec] A mystery - Where did the spam go?

----------- nsp-security Confidential --------


On Feb 25, 2008, at 5:52 PM, Joel Rosenblatt wrote:

> I may have mentioned this before, but we typically get between 2 and  
> 3 million bounce messages a day to jra54449 at cs.columbia.edu - an ID  
> that has never existed
> at Columbia.
>
> Over the last 20 days, the number of messages went from 2 million+  
> down to 13,354 and then back up to 1.1 million.

Something similar going on with spoofed "@ghsa.com" messages. We were  
receiving around 2.5 million bounces a day.




Borja.



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