//404disposition_send_mdn
$_prefs['disposition_send_mdn'] = array(
    'value' => 0,
    'locked' => false,
    'shared' => false,
    'type' => 'checkbox',
    'desc' => _("Prompt to send read receipt when requested by the sender?"),
    'help' => 'prefs-disposition_send_mdn'
);

// End Message Viewing preferences

