We use Sectigo also. Having struggled with the PVE web interface and raising this, I've just tried the cli but get unauthorized:
Registration failed: Error: POST to https://acme.eu.sectigo.com/new-account {"type":"urn:ietf
arams:acme:error:unauthorized","detail":""}
Task Registration failed: Error: POST to https://acme.eu.sectigo.com/new-account {"type":"urn:ietfarams:acme:error:unauthorized","detail":""}
Bypassing PVE and running certbot on the same host, works:
certbot register --email email@domain.com --server https://acme.eu.sectigo.com --eab-kid no --eab-hmac-key no
Saving debug log to /var/log/letsencrypt/letsencrypt.log
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Would you be willing, once your first certificate is successfully issued, to
share your email address with the Electronic Frontier Foundation, a founding
partner of the Let's Encrypt project and the non-profit organization that
develops Certbot? We'd like to send you email about our work encrypting the web,
EFF news, campaigns, and ways to support digital freedom.
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(Y)es/(N)o: n
Account registered.
This is PVE 8.4.1.
Registration failed: Error: POST to https://acme.eu.sectigo.com/new-account {"type":"urn:ietf
arams:acme:error:unauthorized","detail":""}Task Registration failed: Error: POST to https://acme.eu.sectigo.com/new-account {"type":"urn:ietf
arams:acme:error:unauthorized","detail":""}Bypassing PVE and running certbot on the same host, works:
certbot register --email email@domain.com --server https://acme.eu.sectigo.com --eab-kid no --eab-hmac-key no
Saving debug log to /var/log/letsencrypt/letsencrypt.log
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Would you be willing, once your first certificate is successfully issued, to
share your email address with the Electronic Frontier Foundation, a founding
partner of the Let's Encrypt project and the non-profit organization that
develops Certbot? We'd like to send you email about our work encrypting the web,
EFF news, campaigns, and ways to support digital freedom.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
(Y)es/(N)o: n
Account registered.
This is PVE 8.4.1.