2017-10-02 website test - email provider

• https://observatory.mozilla.org/analyze.html?host=kolab.org F 20
• https://observatory.mozilla.org/analyze.html?host=kolabsystems.com B+ 80
• https://observatory.mozilla.org/analyze.html?host=kolabnow.com B+ 80
• https://observatory.mozilla.org/analyze.html?host=protonmail.com B 75
• https://observatory.mozilla.org/analyze.html?host=mail.google.com A+ 100/100
• https://observatory.mozilla.org/analyze.html?host=posteo.de B+ 80/100
• https://observatory.mozilla.org/analyze.html?host=mailbox.org B 75/100