We needed SMS mailing services, the manager Andrey consulted in detail and answered ALL the questions, and there were a lot of them, a real pro. It turned out to be expensive to send us SMS messages from Belarus abroad, and the clients are all foreign. However, SMS Center also offers email distribution services, and we had a ready-made customer base. We signed a contract, prepared a letter in the built-in ad builder, and sent it out. It was not possible to figure out the interface right away, the support who worked late at night and answered questions helped! The service is at a very high level! The newsletter worked well and we received visits to the website and several clients.
I recently started using mailing services and didn't regret choosing an SMS Center!
Excellent service, with a lot of functionality.
Tech. support is working flawlessly!