Customers and co-workers expect that you are accessible and responsive, regardless of the infrastructure and technologies you have in place. Wireless e-mail might arguably be the greatest enhancement to employee productivity since the cell phone, enabling employees to keep up with e-mail when travelling. With its prevalent use today, the expectation is that users will have anywhere/anytime access to messaging systems like Microsoft Exchange and Lotus Notes. It is more important than ever to ensure that messaging systems and wireless e-mail services are protected from disasters and other outages.