Victor Duchovni:
> On Tue, May 11, 2010 at 10:40:05AM -0700, Gary Smith wrote:
>
> > My question is will this fork process cause any problems with postfix
> > itself? I just don't know what the impact of a fork in the content_filter
> > will be.
>
> Just make sure to close stdout and stderr, to avoid writing garbage
> into the pipe between Postfix and the filter, used to collect filter
> error messages.
Also, if the process does not close/redirect stdout and stderr,
Postfix will still wait for program output, and you won't gain any
speedup from forking off into the background.
> With this level of complexity, you really should use the advanced (SMTP)
> filter approach not pipe(8) based filters.
I agree. pipe-to-command+exit-status is a clumsy way to run a filter.
Wietse
