Milter-greylist

On Wed, Jan 11, 2006 at 01:18:49PM -0800, Bill Levering wrote:
> This is interesting, but is it really doable?
> 
> My understanding (limited as it is), is that greylisting works so  
> well, is because it keeps the whitelist in memory. Once you introduce  
> db's or external files, that memory footprint could explode.

My proposition was only for the access list, not for the greylisting
or autowhitelisting database.

> Then what about when those files get updated? or someone introduces a  
> concept of 'on the fly' whitelisting (outside of greylist)... ie  
> poprelayd or non-standard smtp-auth.
> 
> It just feels like these changes could impede performance.

Of course they would, but you do not have to use the feature. If you
don't use it you don't have a performance tradeoff.

-- 
Emmanuel Dreyfus
manu@...