GMX Mailcheck expanded Mozilla Firefox to useful functions for GMX users. The free extension indicates newly received e-mails and other information such as weather and news in a separate toolbar. GMX Mail check manifests itself in the form of a new menu bar in Firefox. After entering the login information GMX users get quick access to their mailbox. The freeware total of 1,500 megabytes of online storage are available - fifty percent more space compared with ordinary GMX accounts. With free GMX Mail check to reserve the GMX mailbox in Firefox at any time in mind. Other extras such as weather information, a translation service and current news complete the Toolbar.