If you are experiencing any of the problems listed below, we’ve got fixes to get your Mac Mail working as it should. It's may as well happen on macOS Big Sur. With a new macOS out there, some Mac users have encountered Mac Mail problems following an attempt to update to macOS Catalina. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.