ProofPoint says 63% of US corporations with 1,000 or more employees either employ or plan to employ staff to read outbound email, 36% of US companies employ staff to monitor email today with another 26.5% saying they intend to employ such staff in the future. In the largest companies (those with more than 20,000 employees) this practice is even more common – 40% employ staff to monitor email today and an additional 32% plan to employ such staff in the future.