[NTLUG:Discuss] All non-US IP list?

[Kenneth Loafman]

Odd, I guess there was a glitch somewhere.  Its up here.

Stuart Johnston wrote:
> As I mentioned before, you can use a dnsbl like those from 
> http://countries.nerd.dk/ to block them at connection time.  This is the 
> same idea as Ken's suggestion but blackholes.us doesn't seem to be 
> available.
> 
> . Daniel wrote:
>> This is something of a follow-up on the previous discussion of blocking all 
>> chinese and korean IPs at the greylist filter.
>>
>> I have followed the advice of list members here suggesting that I use 
>> spamassassin and rank the values of emails from certain countries higher.  
>> And that has certainly helped in one regard: The email is trapped and 
>> scanned on my MailScanner machine.  But let me tell you, while that is 
>> certainly effective, it's not enough.
>>
>> Recently, I have been seeing emails coming from more countries than I can 
>> list in that particular set of rules.  Further, the sheer amount of email 
>> coming in and being processed is simply killing my server.  (Yes, I need a 
>> bigger server... maybe one day but not today.)  At some point, the box 
>> simply stops sending email on to my exchange server for reasons I have been 
>> unable to detect.  The sendmail queue just says "sending" and nothing is 
>> sent.  Rebooting the machine clears it up until the next time it gets 
>> congested like that.
>>
>> Previously someone wrote a little perl script for me to parse through some 
>> IP addresses for china and korea in a way that is suitable for relaydelay.  
>> Obviously, this will help but isn't going to fix the larger problem.  Where 
>> before the majority of such traffic was coming from those two areas, now 
>> it's coming from all of Europe and South American countries.
>>
>> I've been googling for lists of non-US IP addresses and there is no 
>> shortage of discussion on the topic.  (A lot of people offering what a bad 
>> idea it is and all that but without stating WHY it's a bad idea... not 
>> offering a scenario where it could be bad.)  In my case, this is a business 
>> that does business exclusively in Texas and exclusively for schools.  There 
>> is absolutely no business reason for incoming mail from outside Texas, let 
>> alone outside of the U.S.
>>
>> If only I could get a list of non-US IP addresses, I would be a happier man.
>>
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