Mimecast has made excellent gains in the South African market and at the end of the full year 2011 had grown our customer base in South Africa significantly ahead of the market to become the dominant provider of Cloud email security & management solutions in the region.BackChannel’s bi-annual Hosted Email Security report electronically surveyed over 3,600 organisations in South Africa in order to discover the actual market share amongst competing vendors for hosted email security and management services. tags: