Creating an Exchange Account
Open your Gmail App and go to the account menu.
Click on "Add an Account".
Then you choose Exchange and Office 365.
Type in your Email adress.
For employees and lecturers: <username>@th-ab.de
For students: <snumber>@th-ab.de
For teaching staff: <dozentnummer>@th-ab.de
Afterwards you click on manual configuration.
Proceed trough the fields as follows:
Password: <yourpassword>
Domain\Username: AD\<username>
Server: mailgate.th-ab.de
Port: 443
Security type: SSL/TLS (accept all certificates)
confirm with continue.
The setup is now complete.