Upon switching over to Cloudflare, the mail server that I have set up with PostFix and Dovecot stops working. By "stops working", I mean that I am no longer able to send or receive mail from my Thunderbird client. As ...
If so, please explain to me how you were able to do it.
When I run either of the following:
sudo a2enmod mod_http2
sudo a2enmod http2
I receive the following respectively:
ERROR: Module mod_http2 does not exist!