Since the birth of the Internet, messaging has been an integral part of the company's strategy, allowing simple and rapid exchanges between employees. And that's not about to change: in the current context of the health crisis and the development of teleworking, this essential tool is playing a more crucial role than ever. Hence the importance of choosing it very well ... Today, professional users expect a lot from their messaging: in addition to allowing teamwork, this solution must be flexible, but also easy to set up and administer. All this while ensuring the company perfect data security . While each professional sends around thirty messages a day (and receives three times as many!), A lot of sensitive information does indeed circulate with e-mails, in particular via working documents sent in enclosed.