Dear all,
some of you might have noticed, openacs.org and all its alternative domains) run since yesterday under https, using a certificate from letsencrypt.
The rating from SSL Labs [1] gives the site an "A+" rating.
In case you are experiencing problems, please let us know.
all the best
-gn
[1] https://www.ssllabs.com/ssltest/analyze.html?d=openacs.org