The following error is shown while trying to obtain a certificate for domain:
PLESK_ERROR: Failed to secure panel: Invalid response from https://acme-v01.api.letsencrypt.org/acme/new-authz:
Error creating new authz :: Policy forbids issuing for name.
PLESK_ERROR: Error: Could not issue a Let’s Encrypt SSL/TLS certificate for exactblacklist.letsencrypt.org
Perhaps this domain is at risk group and is blacklisted on the Let’s Encrypt side.
Invalid response from http://example.com/acme/newauthz.
Detail: Error creating new authz :: Policy forbids issuing for name
The same error can occur in an attempt to secure Plesk.
A domain name or hostname is blacklisted.
Let’s Encrypt policy does not allow issuing a certificate for such domain name or hostname.
During the securing Plesk using steps from this article:
Plesk is tried to be secured by using server hostname by default.
Specify another domain name that will be used for accessing Plesk