Inscrivez-vous ou connectez-vous pour rejoindre votre communauté professionnelle.
Its a super computer called server resides in a company to send and receive emails. companies with high profile or security needs like if it has sensitive data must have their own mail server like MS exchange other low profile companies or less security data may get their mail hosted on other email severs like the internet service provider ISP or some famous email providers like Gmail or hotmail thats a lower cost of course. .
