Re: Announce: Haraka

Matt Simerson wrote:
> Is qpsmtpd often the bottleneck?
It depends on the plugins. A number of us use Qpsmtpd as a spamtrap sink 
- for those purposes, the answer is "Perhaps".
>    I should think that the external plugins (clamav, spamassassin, etc) would be the most significant bottlenecks?
>    
Most definitely...
> That being said, if the node.js implementation of qpsmtpd was significantly faster, while consuming significantly fewer resources, it might be an impetus to rewrite SpamAssassin in node.js.
>    
There's a number of annoyances though - specifically that we'd have to 
embed PCRE as Javascript's RE engine is (at best) shit. Of course that's 
doable and the embedding API looks quite straightforward.

But yes, it's most certainly doable (and I may or may not have already 
done a high performance re-write of SpamAssassin at $work). The big 
problem is that we'll never get the same output - Mail parsing will be 
different, HTML parsing will be different. And this means the scores 
won't do the right thing (because they are trained specifically with 
their genetic algorithm or whatever they use now). It's a non-trivial 
problem.

Matt.