Well, I AM testing this in Webuzo panel.
Maybe I will report to the Webuzo Team for be sure there are no errors on… the installation process of let’s Encrypt if you said that should work also with PHP.
Issue seems to be related to PHP and Let’s Encrypt.
In the php.ini I put the line
than when I configure SMTP I use as email host domain.ext and with let’s Encrypt seems not work