We are keen for your feedback and experience using this tool, as well as any tips and advice you would give the wider community. Many thanks.
Note: Certificates are valid for 90 days. The recommendation from Let’s Encrypt is to automatically renew certificates every 60 days.
The Let’s Encrypt website has an active community support forum:
and useful FAQ page (and documentation):
Video instructions are available via YouTube sites although these have not been verified.
what to do in case web accounts got hacked
Could you be more specific in terms of web accounts? Do you mean accounts use to administer websites?