Exchange

http://businessproductivity.nl/office-365-hoe-e-mails-ongewenst-je-organisatie-kunnen-verlaten/

Office 365: hoe e-mails ongewenst je organisatie kunnen verlaten

https://blogs.office.com/2016/08/10/keep-your-email-secure-with-office-365/  

https://blogs.office.com/2016/06/22/enterprise-email-what-a-new-business-needs-to-know/?utm_content=buffer1eda3&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer

http://blogs.perficient.com/microsoft/2016/03/office-365-script-to-determine-exchange-online-mailbox-location/

https://www.linkedin.com/pulse/12-lessons-learned-from-successful-office365-email-migration-dallal

https://blogs.office.com/2016/01/14/leading-the-way-in-the-fight-against-dangerous-email-threats/?linkId=20454174