The speed and reliability of corporate communications directly affects the quality of the services provided. For the operational exchange of information, employees of the geographically distributed offices of Yukon Advanced Optics Worldwide (one of the largest developers and manufacturers of observational optics) used several corporate instant messengers: Slack, Zoom, Skype. Due to the variety of services, productivity decreased, and more and more communication problems appeared. Yukon needed a single collaboration solution. However, the company wanted to increase the resiliency of corporate mail.