- $comp_uri = SM_PATH . 'src/compose.php?mailbox='. urlencode($mailbox).
- '&session='.urlencode($aMailbox['FORWARD_SESSION']);
+ $comp_uri = $base_uri . 'src/compose.php?mailbox='. urlencode($mailbox)
+ . '&session='.urlencode($aMailbox['FORWARD_SESSION']['SESSION_NUMBER'])
+ . '&smaction=forward_as_attachment'
+ . '&fwduid=' . implode('_', $aMailbox['FORWARD_SESSION']['UIDS']);