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Please consider going back over the documentation and make some  
notes regarding sections that are confusing or lacking in detail.  
 
What would the hint in the config.py allude to? 
 
I have polled the users of roundup, and they're split 50/50 on whether 
to have the default to allow or deny email rego. I'm firmly in the allow 
camp, and haven't seen a convincing argument from the deny camp.