I noticed my name come up regarding porting this "esoteric features." I wish I had time (and a cookie) for working on these features. Unfortunately, I'm working at a new company that's adamently Weblogic at the moment and I might not be able to justify working on JBoss Messaging. And unless you have a customer demand for scheduled messages and improved expiration features, there's no likely no reason to work on these features. Although it seems relatively easy to implement, there's a couple of things that I see as complicating matters. One, you will probably want to add indexes for scheduled delivery time. And then your queries are additionally more complicated, not to mention additional issues with data migration. I think it would have been better if Hibernate or something was used for managing the queries as I expect changing the schema is a big hassle. Anyway, if you're curious on my thoughts, let me know. I do like thinking about the project. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3975416#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...