Overzicht SMTP Servers https://i2.wp.com/windowstechblog.nl/wp-content/uploads/2012/04/Oerzicht-SMTP-Servers.png?fit=300%2C200&ssl=1https://i2.wp.com/windowstechblog.nl/wp-content/uploads/2012/04/Oerzicht-SMTP-Servers.png?resize=150%2C150&ssl=1Martien van Dijkit's all about Microsoft