Post

Post is a free and open-source mail app for GNOME. Read and send email with a simple, native desktop experience on Linux, using your accounts from GNOME Online Accounts for IMAP, Gmail, Microsoft 365, and local machine mail. No bloat: no calendars, no to-dos, no newsfeeds, no contacts manager.

Post is in public alpha. Do not assume it is bulletproof for productive environments.

Post showing a message list and reader pane with demo mail accounts