Geary is a free email client application for linux system. It comes with HTML and plain text message composer and GMail, Yahoo! Mail, Outlook.com support. Some other important features are multiple spell-checker languages, right-to-left languages support and new mail desktop notifications. You can use this as a Thunderbird alternative.
Install Geary email client on Ubuntu
If you want to install the latest version of geary, open your terminal app in Ubuntu. Type the below command and hit the enter key
sudo apt install geary
And open it using below command.
Add you mail account and manage your mails.
Install Geary via Flatpak:
First install the latest version of flatpak and flathub on your system using below commands and restart it after the installation.
sudo apt install flatpak
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
Now run below Geary flatpak install command.
flatpak install flathub org.gnome.Gear
After that open Geary using below command.
flatpak run org.gnome.Geary
And you can also uninstall it using below commands.
flatpak uninstall org.gnome.Geary
sudo flatpak uninstall org.gnome.Geary