David Sánchez Martín wrote:
>> That will populate the database for all email. Including 
>> spammers. Any 
>> spammers who send messages during the period in which the database is 
>> being populated will get a free pass, even after greylisting is 
>> activated. Perhaps you can live with that.
>>
> 
> That will populate the database with all the addresses who send email to my
> users.

Including spam.

> Just like the graylisting do, no more no less.
> 
> The entry will survive _as_long_as_it_will_with_graylisting_fully_enabled_,
> NO MORE and no less.
> 
> It will NOT whitelist the address.

Right, but some spammers will be passing the greylist.

> After graylisting been enabled, It won't block addresses already on the
> database AND that its time is lesser than graylist-max-secs. No more and no
> less.
> 
About graylist-max-secs (from the doc):
NOTE: A graylist entry's expiration date is reset each time a message 
passes the filter. If the maximum age is 2 weeks and the sender sends a 
message every day, their entry will never expire because it is 
continually reset.

Given that your primary objective seems to be to eliminate any delays 
from existing emailers, I suppose this would work for you. Spammers who 
hit sporadically will eventually expire. I just intend to point out that 
  persistent spammers who send more often than graylist-max-secs will 
continue to pass. Again, this might be livable. I've no idea how 
persistent spam generally is.

-- 
-Eric 'shubes'

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