Nitin Borwankar wrote:
Hi all,
I was reading the Mailet vs Procmail page on the James Wiki
http://wiki.apache.org/james/MailetVsProcmail
and had the following question :-
When using procmail if you have to do anything other than header match +
file/forward then you pipe to a custom script.
This spawns a copy of the script interpreter ( perl, python, ... ) per
message. So if you need to do anything useful it is
quite expensive. But using Mailets each message is handled by a thread
and so even if JavaMail is expensive it is probably less expensive than
spawning an interpreter per message. Is that correct or am I missing
something ?
Yes, I believe this is an important difference in the approaches: and
this is why, in the procmail world, most "heavy weight" processing
(antivirus/antispam filters) nowadays have been moved to listening
daemons and the procmail filter simply connect to the service to obtain
the processing.
Stefano
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