Author: Marc Perkel Date: To: W B Hacker CC: exim users Subject: Re: [exim] What's up ith the uceprotect blacklist?
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.