You need ShowOutgoingEmail, which you have (otherwise the box is hidden) >(Check boxes to enable notifications to the listed recipients) > >--- snip --- > >but there are no checkboxes! to select from. That would imply you have no scrips which are triggered by the action you are doing.
The code for the box is a bit hairy, and lives in /Tickets/Elements/PreviewScrips, but you should not need to touch it. -- Cambridge Energy Alliance: Save money. Save the planet. Discover RT's hidden secrets with RT Essentials from O'Reilly Media. Buy a copy at http://rtbook.bestpractical.com