EDIT: The newest version of Quote Message Service can be found on Microsoft Exchange Server 2003 Tools site.
Yesterday I uploaded the 1.1.0 release of the Quota Message Service, which allows you ...
Updated Jul 01, 2019
Version 2.0
Blog Post
This is a welcome addition! Thank you! But I can think of no reason why MS is making it so hard to change the quota messages...should be possible since 5.5...