If you need to remove RPostOne for Outlook, please follow these steps:
1. In Outlook, click on the FILE menu
2. Select Options from the bottom of the side bar menu
3. Select Add-Ins from the bottom of the left side bar menu
4. At the Manage window, make sure "COM Add-Ins" is selected and hit the Go button
5. Select RMail Send Registered from the list to highlight it and then click on the Remove button