W B Hacker wrote:
> Marc Perkel wrote:
>
>   
>> I'm having problems with my spam filtering servers getting listed on 
>> UCEPROTECT and can't figure out why. Is anyone familiar with how this 
>> blacklist works and what I need to do to not get listed?
>>     
>
> It is explained on their website.
>
>   
>> They seem to hate sender verification - but I'm not going to give that 
>> up.
>>     
>
> Many folks treat a sender-verify callout as a probe.
> Many more don't respond in a useful or timely way.
>
> We *have* given it up.
>
>   

Bill, I'm still using sender verification but it's very targeted and 
extremely effective. For me to block with verification the server has to 
let me get to the rctp to: level and affirmatively tell me that the user 
doesn't exist. It's something I'm not giving up.

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