InboxLab
A visual sandbox for transactional email

Test emails without emailing real users

Get unlimited test addresses under your own workspace and view every captured message in a clean visual inbox.

your-workspace.anything@inboxlab.dev

No mailbox configuration. No accidental emails to customers. Just send, open the inbox, and inspect the result.

Create your test inbox in seconds
acme — visual inbox2 unread
  • Confirm your email address

    just now

    no-reply@yourapp.com

    signup-test
  • Your verification code is 481920

    2m

    no-reply@yourapp.com

    user-123
  • Receipt for order #77

    18m

    billing@yourapp.com

    order-77
  • Reset your password

    1h

    no-reply@yourapp.com

    password-reset

How the address pattern works

Pick one workspace name. Everything after the first dot is a tag you invent on the spot — no mailbox to create, no configuration.

acme.signup-test@inboxlab.dev
acme.user-123@inboxlab.dev
acme.password-reset@inboxlab.dev

Built for email testing

Registration emails

Sign up as many test users as you like.

OTP & reset codes

Grab one-time codes straight from the inbox.

HTML previews

See exactly how templates render, safely sandboxed.

Headers & raw source

Inspect the envelope when something looks off.

No real recipients

Test environments never reach customers.

7-day retention

Old test mail is cleaned up automatically.

Ready to see your app's emails?

Test emails are stored for seven days and automatically deleted afterward.