[Users] Sometime t_really() func seem to be endless

[Klaus Darilion]

I agree

Henning Westerholt wrote:
> On Donnerstag, 24. Mai 2007, Bogdan-Andrei Iancu wrote:
>> Hi Bodin,
>>
>> that's because of the blacklists - openser "learns" the failed
>> destinations (like the 503 replied) and block them for some time (4
>> minutes) to prevent useless processing.
>>
>> You can disable this auto-learning for blacklists:
>>     disable_dns_blacklist=yes
> 
> To warm-up an old discussion about this feature:
> 
> i think this should be really disabled by default, because of user confusion 
> and possible security issues.
> 
> Cheers,
> 
> Henning