You requested it... and we delivered it in Exchange 2010! One of the most requested items in exchange 2007 was something like this... ...we have 5-12 external domains that we need to allow so...
Published Jan 18, 2010
Version 1.0
Blog Post
Great stuff! Does Exchange 2010 provide a mechanism for rate restriction (limit the number of messages a user can send over a given period of time)? This would be a helpful feature for us.