MailService is running.

Use Authorization: Bearer <api-key> or X-API-Key: <api-key>.
GET /api/mailbox?domain=example.com&login=mylogin -> create mailbox
GET /api/mailbox -> create mailbox on a random allowed domain
GET /inbox/{token}?api_key=<api-key> -> view latest message
GET /api/inbox/{token}?api_key=<api-key> -> mailbox state in JSON
GET /api/code/{token}?api_key=<api-key> -> extract code from the latest recent message