public String getEmailAddress() {
        return emailAddress;
    }
Returns the email address of the user, if known. If not available, null
is returned.

@return
    The email address of the user, or null if this is not known.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/UserModel.java