Atrivo/Intercage: Now Only 1 Upstream

Patrick W. Gilmore patrick at
Thu Sep 18 09:42:13 CDT 2008

On Sep 17, 2008, at 4:07 PM, David Ulevitch wrote:
> Patrick W. Gilmore wrote:
>> On Sep 17, 2008, at 1:32 PM, David Ulevitch wrote:
>>> At the end of the day, nobody is going to drop packets for  
>>> amazon's IP space.
>> I'm afraid reality disagrees with you - there already are networks  
>> doing it.
>> Being big does not guarantee you ability to do Bad Things.
> I didn't imply that it did.

Actually, that is exactly what you did.

> But the ability to block without causing significant collateral  
> damage becomes more and more difficult as IPs become less tied to  
> the organization using them.

True (and rather obvious).  Here's another obviously true statement:  
As more & more spam comes from a set of IP addresses, it becomes less  
& less likely you should accept e-mail from that space.

> That said, you're right that people are doing it now.  Consensus  
> from friends running their apps on EC2 is that you can't expect to  
> be able to send any email from EC2 and hope for a high  
> deliverability rate.

Not news to anyone who works on anti-spam or e-mail deliverability.   
Perhaps the collateral damage will force Amazon to get things fixed  

Or maybe not, but either way I don't see how you can blame someone for  
not wanting to accept e-mail from EC2.


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