Dober does not check the difficulty level of the password, but as the User enters the password, Dober may indicate such level. Dober recommends creating a strong password and not to use common words or character sets that are easy to guess or guest-select as passwords.</li> <li> <strong>User Name</strong>. The User enters an Account name that will appear in the other User's address book. You can use any language and any number of characters from 2 to 128 to create a User Name. In case you need to change the User name, you can change it in "Account Settings".</li> <li> <strong>Nickname</strong>. A unique Account code name , by which other Users can find your Account in the Messenger global search.