Naviate to the upper right corner of the screen, moving your mouse over the cog wheel will drop down a menu where there are a few menut items are settings.
From Settings > Account Profile the following can be configured:
Login and BIlling Notification Email. This is your login email address, and can only be updated by Lodgix tech support. However, you can configure a CC email address
SMS Phone. Allows you to set a phone number where new booking notifications will be sent via text message.
Two Step Authentication. You can enter and verify a mobile phone number to enable two step authentication for your account.