By default, the ComponentPro Component Installer automatically adds UltimateMail IMAP, POP3, SMTP and Proxy Client Components to Visual Studio Toolbox. In case you want to reinstall the UltimateMail component into the Visual Studio Toolbox, you can follow two basic ways below:
Open Start->Programs->UltimateMail vX.X.X.X->Tools->Reinstall Toolbox to install UltimateMail components into Visual Studio Toolbox. Before running this tool, make sure there is no instance of Visual Studio running.