SPAM trends and techniques used on Exchange Online system used for racunarstvo.hr domain

This paper will give an overview of the technologies and techniques employed in SPAM protection on University College Algebra (UCA). UCA uses Exchange Online system included in Office 365 service that is free of charge for every educational institution covering majority of countries around the world. In today´s world of electronic communication, e-mail is still primary system for exchanging messages and data. Globally, average mail user daily sends and receive around 115 e-mail messages and from that number around 19% or 13 of received e-mail messages are considered as SPAM. Exchange Online system is based on the Microsoft Exchange 2013 server and it is located in the multi-tenancy datacentres around the world, serving corporate, governmental and educational users. That system has built in anti-SPAM protection and reporting services that will be used for conducting results in this paper. Those results will be than compared with other publicly available researches to achieve comparison reports that is presented in this paper.