How to create a test email:
Use namespace uj8hb and send to uj8hb.tag@inbox.testmail.app
uj8hb.tag@inbox.testmail.app
Example: uj8hb.signup@inbox.testmail.app
uj8hb.signup@inbox.testmail.app
Then enter only the tag (e.g., signup) here.
signup
Enter an inbox tag and click "Fetch Emails" to view messages
Select an email to view details