[imapfilter-devel] Decreasing mail server CPU usage

[Conrad]

Hello,
I'm looking for a way to use less of the CPU resources on the mail server.
I'm currently using contain_subject and contain_field to search for messages
with SPAM subjects.  Are there search functions which use less CPU on the mail
server?     I don't mind if the processing takes longer or uses more CPU
resources on the machine where imapfilter is running.

I think way imapfilter works is that it checks every message in the specified
folder.  Is there a way to just check some of the messages besides removing them
from the folder? 

Conrad