I wonder if it is possible to have the cloudron accept TLS 1.1 protocol?
Reason I ask: It seems that many of the apps on my Android 4.1.2 phone (nextcloud app, chrome browser, firefox etc) are not able to connect to the cloudron apps, as the phone apps complain about an SSL protocol error. I first thought it could be a problem with Letsencrypt certificates, but then I tried my phone apps against other websites that run Letsencrypt and had no problem with it. And at those servers where it worked, these servers had TLS 1.1 enabled.
So, can TLS 1.1 be enabled in cloudron, at least for a test? I am not eager to have to buy a new phone at the moment, as the one I have is still working 
EDIT: Seems this also affect my email client (K9), that is able to connect for downloading email, but not able to connect in order to send. It is correctly configured port 587 and STARTTLS
I actually had all this working a few days ago, but I had to reset my phone to factory defaults, and now all these problems arrive.