01
Room to read
A focused message list, spacious reading view, and familiar Mac tools bring conversations into focus while you compose, reply, search downloaded mail, and handle attachments.
SUSA MAIL · PRIVATE TESTING
A clearer path
through your mail.
Susa Mail is a native Mac email app with a focused message list, a spacious reading view, and familiar tools for composing, replying, searching downloaded mail, and handling attachments.
Private testing · macOS 27+
The current build
Your mail, in a focused Mac interface.
02
Your provider stays yours
The current development build connects to Gmail and Google Workspace through Google sign-in. It also includes iCloud and custom IMAP/SMTP connections for testing.
03
Local mailbox storage
Live-account mail and saved attachments are cached in an encrypted vault on your Mac, with credentials and the vault key stored in the macOS Keychain.
04
In active development
Initial Google connection and mailbox loading work while broader account and delivery testing continues. AI assistance is planned and is not available in the current build.
Local mailbox storage
Direct provider connections, encrypted on your Mac.
Live-account mail and saved attachments are cached in an encrypted vault on your Mac, with credentials and the vault key in the macOS Keychain. Susa Mail connects directly to your selected mail providers.
Read about privacyEncrypted local vault
Credentials in macOS Keychain
Your provider stays yours
Quick Look previews can create temporary plaintext copies. The Privacy Policy explains these limits and how to remove account data.
WHY SUSA
A new road for a new age.
Named for the ancient Persian city on the Royal Road, Susa Mail carries an enduring ambition forward: help correspondence move with speed and purpose. Today, that means a focused Mac experience with privacy and user control at its foundation.
Read our storyQuestions
A few things
to know.
Private testing