pausetime file

"Thomas A. Moulton" <[email protected]> Tue, 19 Jul 2011 07:42:04 -0400
Newsgroups gmane.mail.nullmailer
Message-ID <[email protected]>
When does the pause time go into effect?

Is the pause time applied to each message or the whole queue?

Like the other control files I assume to set the pause to 15 mins I just 
have a line like:

900

What is the default setting? (no file)

Thanks!
Tom