Certbot did the necessary but failed when verifying as you can see below.
Never seen this type of message and could do with a little step by step help to resolve this issue which appears to be due to a CA Root certificate expiring.
How do we solve this problem?
Any help would be appreciated.
Zimbra version Release 8.8.9.GA
Code: Select all
** Verifying '/opt/zimbra/ssl/letsencrypt/cert.pem' against '/opt/zimbra/ssl/letsencrypt/privkey.pem'
Certificate '/opt/zimbra/ssl/letsencrypt/cert.pem' and private key '/opt/zimbra/ssl/letsencrypt/privkey.pem' match.
** Verifying '/opt/zimbra/ssl/letsencrypt/cert.pem' against '/opt/zimbra/ssl/letsencrypt/zimbra_chain.pem'
ERROR: Unable to validate certificate chain: /opt/zimbra/ssl/letsencrypt/cert.pem: O = Digital Signature Trust Co., CN = DST Root CA X3
error 10 at 3 depth lookup:certificate has expired
Unable to verify cert!