IP address reputation, BorderWare

[Alex Broens]

On 3/22/2007 11:29 PM, Chris Yuzik wrote:
> Gerard Seibert wrote:
>> There was a discussion on the postfix forum a few days ago that concurred
>> with your thesis. I personally never employ it myself. A waste of time
>> and bandwidth in my humble opinion.
>>   
> Since we use Sendmail exclusively, I'm afraid I don't follow the Postfix 
> forums.
> 
> I'm not sure about the bandwidth, shouldn't be much more than a few 
> bytes...perhaps equivalent to a DNS query or two. As for the time delay, 
> we're not noticing any delay. According to our logs, most of this 
> happens within the very second the mail gets to our server; a fraction 
> of a second (or even a couple of seconds) delay is certainly worth it, 
> IMHO.
> 
> We're experiencing great success with this additional tool against the 
> spammers.

pls post you IPs... we'll gladly help you by firewalling your off - then 
you can reject all mail with our spoofed sender.