Manually Add a Personal Email Account - HTC One® (M8) for Windows®
From the Start screen, swipe left to display the Apps list.
Alternatively, tap All apps (located in the lower-right; may require scrolling to the bottom of the Start screen).
Navigate: Settings > email+accounts > add an account.
From the Add an Account screen, tap advanced setup.
Enter the appropriate information into the following fields then tap next:
Tap Internet email.
Enter the account info (e.g., Server, Account type, Password, etc.) into the appropriate fields.
If you're not sure what your server info is, here are some common personal email server addresses. Contact your email provider if additional assistance is needed or your server info isn't listed.
Ensure the following settings are configured correctly:
Enabled when a check mark is present.
Outgoing server requires authentication
Use the same user name and password for sending email
If preferred, tap advanced settings to configure additional settings (e.g., Require SSL, etc.).