[Dshield] Rise in UCE

Josh Tolley josh at raintreeinc.com
Tue Jan 6 19:53:50 GMT 2004

BarkerJr wrote:

>>Simple. ISP's should block outbound port 25 from dynamic IP ranges for
>>customers that haven't signed up for the "I have a clue" service level,
>>or for those who specifically request direct outbound email be enabled.
> Not so simple.  At least a couple viruses I've seen in the past month were sent
> via the ISP's mail servers.

Sure, that won't solve the whole problem. My junk filter doesn't solve 
the whole problem for me, but it makes a big difference. This sort of 
egress filtering would make a big difference as well.


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