Oh come on I literally did the same thing two days ago
@omgubuntu.co.ukGeary e-mail client, reborn? Kinda!
Convey is built from the same code, but adds new features and a UI port to GTK4.
It's available to install from Flathub.
omgubuntu.co.uk
Convey is a GTK4/libadwaita fork of Linux email app Geary
Convey is a new Linux email client based on the code of Geary, remade with a GTK4/libadwaita UI and support for Microsoft 365 accounts.