A friend of mine just recommended Kerio, or one of the resellers: https://www.r1sync.com/shop.html?page=shop.browse&category_id=18 https://www.r1sync.com/shop.h

A friend of mine just recommended Kerio, or one of the resellers: https://www.r1sync.com/shop.html?page=shop.browse&category_id=18 https://www.r1sync.com/shop.html?page=shop.browse&catego...