The University of Tokushima, a national university, set up a new section, \"Information Strategy Room\" for planning its overall information strategies. And, to implement these strategies, the university established \"Center for Administration of Information Technology.\" Since then, Center for Administration of Information Technology of the university has implemented various reforms to provide better IT services for students and faculty members. In March 2012, as one of these efforts, the existing email systems were renewed with a hybrid email system of Microsoft Exchange Server 2010 and Microsoft Office 365 for Education. This renewal enables ensured security and 24/7 operation. Focusing on developing international academic ability of its students, faculty members, and institutions, Tokushima University obtained a key communication infrastructure.