Recommended RBL's on MTA?

[Jon Leeman]

Michele Neylon wrote:
> James Gray wrote:
>> Hi All,
>>
>> This is slightly off topic, but I figured it was a good place to ask. 
>> What RBL's are people using on their MTA?  I'm currently driving a
>> number of Postfix boxes so far have all the RBL's in SpamAssassin, but
>> would really prefer to block some of the rubbish before it gets that far.
>>
>> What RBL's have people had success with? More importantly, which ones
>> should I avoid?
>>
>> Cheers,
>>
>> James
> 
> xbl works well
> 
> Avoid spamcop (obviously)
> 
> 

Why obviously please?

Jon