External authentication for IntraMessenger
You can choose to do authentication (check login and password) from another extern source.Specific parameters for activeCollab authentication
File /common/config/extern.config.inc.php : write license number in LICENSE_KEY (you can find it in config/licence.php in activeCollab).Specific parameters for ImpressCMS authentication
File /common/config/extern.config.inc.php :Specific parameters for Prestashop authentication
File /common/config/extern.config.inc.php : write code number in _COOKIE_KEY_ (you can find it in config/settings.inc.php in Prestashop).