Verify that the Hostname is correct, and then try again, or else contact your System Administrator. To verify that the Hostname is correct, from the Edit menu, choose Preferences, then choose Mail & Newsgroups, and then choose Addressing. Click Edit Directories, and select the LDAP server being used. Click Edit to display the Hostname.
Verifica que le nomine de servitor es correcte e tenta lo de novo, alteremente contacta tu administrator de systema. Pro verificar que le nomine de servitor es correcte, elige Preferentias ab le menu Modificar, pois elige Posta e gruppos, alora Adresses. Clicca sur Modificar directorios e selige le servitor LDAP a usar. Clicca sur Modificar pro monstrar le nomine de servitor.