SMSint.ru — sms mailing service. It helps to filter SMS recipients by attributes (for example, gender and age), create message templates and substitute any information about the client in them, as well as send messages at a specified time.

How to get 500 ₽ to the account in the service:
- Register on the website, in the "Invitation Code" field.
- The login and password from the personal account will be sent in the SMS, and the balance will be automatically replenished by 500 rubles.