Samsung Galaxy Tab S2 User Manual page 107

3. Enter the Email address and Password for the email account, and then tap Sign in.
 Tapping Sign in prompts your tablet to attempt a "regular" email setup and test the incoming
and outgoing servers.
If you have custom settings you need to configure, tap Manual setup and enter your settings.

These may include mail type, user name, password, server, security type, and so on.
4. Select your sync settings, and then tap Sign in.
Messaging and Internet 98