Re: [exim] Delivery of queued mails

I've created a Perl script who can create message files, and change the
owner of those files to exim.
If I run this script in /var/spool/exim/input and run the command exim
-q, the messages are send.

But if I don't run exim -q, the message stay in queue, and I notice that
Exim check the queue every hour and send the message created by the script.

Is it possible to reduce this interval?

Thanks