Sign in
Sign in to open the mailbox
This is the test login surface for the new webmail client. Credentials stay on the same webmail host; the app performs the Stalwart code exchange server-side and only mounts the mailbox after the session is established.
Checking browser sessionSame-origin /api transportNext.js-first, vinext-ready
Checking the browser auth session.If a valid session already exists, the live mailbox shell will load automatically. Otherwise this page stays on the login form.