BGP hijack from 23724 -> 4134 China?

Sat Apr 10 00:29:02 UTC 2010

Benjamin Billon wrote:
> 
>>> So basically, the idea is to disconnect China's Internet even more
>>> than what it inflicts to itself?
>> And that is wrong why exactly? ;-)
> Nah, I'm not answering that =D
> Nice try, though.
>>> How fun. What was the FCC/Comcast case about again?
>> It's only port 25, at least here:
>> http://www.okean.com/antispam/iptables/iptables.html
> This is also blocking Sina, Netease, Yahoo.cn and other major Chinese
> ISP/ESP. Am I the only to think this is not very smart?
> 
> If you think Chinese DUL would be interesting, please tell me.
> 
> 

This DID actually bite my company about 3 years ago.

A customer went to China (usually in NYC) and could not send email
through the mail server because they were using POP-before-SMTP instead
of the mail submission port .

Upon return, the customer switched mail service away from us.

--Patrick