[Asrg] Re: I'm black-hole listed, now what?

gep2 at terabites.com gep2 at terabites.com
Sat Mar 3 03:15:09 EST 2007


On Fri, 2 Mar 2007 17:10:04 -0800
>> [snip story of "my customer is an idiot with their 
>>mailserver and  
>> their virus farm NATted to the same IP address"]

In the real world, ISPs typically provide single IP 
addresses and a NAT router to small offices.  They tend to 
charge exorbitant amounts for separate IP addresses (and 
logically enough, in their desire to avoid wasting the 
limited IPv4 address space).

[snip]

> A solution for coping with the immediate problem would 
>be to relay  outbound email through a trusted (better 
>managed) provider.

That is what ultimately I did for them, at least as a 
stopgap measure.  The problem is that if they got infected 
once, they will inevitably get infected again.

> There are also several websites that will assist you in 
>identifying  the black-hole lists.  If being black-hole 
>listed is the only damage  from an infected system, 
>consider yourself lucky.
> 
> A black-hole search is available at:
> 
> http://www.moensted.dk/spam/

Thanks for the tip.  Indeed, that looks like a very useful 
site.

Gordon Peterson
http://personal.terabites.com
1977-2007  Thirty year anniversary of local area 
networking



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