How to enable 2 step authenticantion (2FA) in SOGo webmail?

Question

How to enable 2-step authentication (2FA) in SoGo webmail?

Answer

1. Login to SOGo Webmail in the desired mailbox that you wish to enable 2FA.

2. Inside the webmail interface, go to Preferences > General > Enable two-factor authentication using a TOTP application:
   
   

   Note: You must enter this key into your TOTP application. If you do not and you log out you will not be able to login again.

3. Use any TOPT application (Microsoft Authenticator, Google Authenticator, Authy or any other of your preference available at Apple Store or Google Play, depending on your mobile device) and scan the QR code available when you enable the two-factor authentication option. 
4. Logout from the mailbox. Once you login back, you will be prompted by the 2FA code verification: