TestTau Sign in
TestTau Mail
MAIL-01
Public test inbox

Capture every test email in one clean inbox.

Open a shared inbox, point your app at it, and watch verification emails, receipts, invites, and notifications arrive in real time.

@mail.testtau.com
Need private mail? Sign in to create an API-key protected inbox.
48hpublic retention
5 MiBattachment limit
Liveinbox updates

Anyone with the public inbox name can read messages. Use private team mail for API-key guarded inboxes.

Private team mailAPI
Authorization: Bearer ttk_...
Private mail APIs use team-scoped keys and org-level limits.
Raw inspectionEML
Headers, HTML, attachments
Inspect the whole message without leaving the browser.