How to install a Mail Plugin on macOS

The macOS Mail app is an app that supports plugins, and quite a few useful ones have been developed for it. These plugins install in a lot of different ways. Those that are distributed as packages are easy to install; you only have to run the installer and it will be installed. Some plugins are distributed as apps and they’re also simple to install. If you have a Mail plugin that is a .mailbundle folder, it has to be installed manually. Here’s how you can install a Mail plugin on macOS. https://www.addictivetips.com/mac-os/...