On Wed, Mar 31, 2010 at 08:16:28AM +1300, Mike Hutchinson wrote:
> > What version of Postfix is this?
>
> Postfix mail_version = 2.5.1
The rate control features introduced in 2.5.0 were improved in later
patches, you must upgrade to the latest 2.5 release if you want to
enforce inter-message delays.
--
Viktor.
P.S. Morgan Stanley is looking for a New York City based, Senior Unix
system/email administrator to architect and sustain our perimeter email
environment. If you are interested, please drop me a note.