V diplomskem delu smo predstavili najnovejši Microsoftov poštni sistem Exchange 2010. Opisane so njegove poglavitne novosti in prednosti ter primerjava s programom Lotus Notes. V glavnem delu je opisana migracija iz poštnega sistema Lotus Domino v Microsoft Exchange s pomočjo brezplačnega orodja Microsoft Transporter Suite. Sledi še primerjava s plačljivimi orodji za migracijo tretjih proizvajalcev.This diploma paper deals with the latest Microsoft Exchange 2010 mail system. The system’s main novelties and advantages are described and a comparison to the Lotus Notes program is made. In the main section, the migration of the Lotus Domino mail system to Microsoft Exchange with the help of the free of charge Microsoft Transporter Suite tool i...