Use this option when logging in to the server from a public or shared computer. Your credentials are not saved locally. You can only use one browser window for working with the Webmail. You can not re-load the browser window. In order to finish working with the Webmail, first log out from the server. Close the browser window. This prevents unauthorized access to your Webmail data.

Only use this option if this computer is used solely by you. Your credentials are locally saved for the current working day. You can use several browser windows for working with the Webmail. Do not use this option when working on a 3rd party computer (e.g., in an Internet cafe)