The Alberta Teachers' Association (ATA) is the professional association for the teachers in Alberta, Canada. Email plays an important part in helping the ATA communicate with its 43,000 members on important education issues. Recently, the ATA upgraded its messaging solution to Microsoft Exchange Server 2013 to take advantage of the latest archiving and disaster recovery capabilities. It also expects to improve productivity through remote and offline access to email and calendars. Because email is critical to the organization's processes, the ATA wanted to provide more redundancy and ensure that email is always available.