PEAR: OK
Auth_SASL: NOT OK(Failed to load class Auth_SASL from pear.php.net)
Net_SMTP: NOT OK(Failed to load class Net_SMTP from pear.php.net; See http://pear.php.net/package/Net_SMTP)
Net_IDNA2: NOT OK(Failed to load class Net_IDNA2 from pear.php.net; See http://pear.php.net/package/Net_IDNA2)
Mail_mime: NOT OK(Failed to load class Mail_mime from pear.php.net; See http://pear.php.net/package/Mail_mime)
Net_LDAP3: NOT AVAILABLE(Recommended to install Net_LDAP3 from git.kolab.org; See https://git.kolab.org/diffusion/PNL)