Mnenhy allows to alter the set of header lines shown of an e-mail or usenet posting and their respective method of display. Mnenhy provides a mechanism to store the thread pane column layout and preferences dependent upon the currently selected folder. Mnenhy adds two new context menu items for encoding or decoding text to the mail editor, the mail display, the browser, the source view and Chatzilla. Mnenhy brings back the sidebar to MailNews.
Mnenhy allows to manipulate the location and the activation and jar state of registered chrome packages, packages can be moved between profile and application directory, packages can be temporarily disabled or removed completely,and jar files can be extracted to local directories and used there. Mnenhy makes it very easy to test new hacks and modifications or new addons that have no uninstaller.