ssl

ssl

Lets encrypt certbot delete

Show cert names
certbot certificates

Delete standalone certificate with:
certbot delete --cert-name CERT_NAME

openssl x509 -text -noout -in

Check certificate at Dovecot
openssl s_client -connect <>:993 -showcerts

Run in order to check whether automatic certification renew process will succeed.

certbot-auto renew --dry-run
certbot certonly --dry-run --webroot -w /var/www/html -d domain.name
certbot --nginx certonly --dry-run

Show installed cerificates and their domain names
certbot certificates

Issue a certificate bud do not install it
certbot certonly

Obtain and install to nginx
certbot --nginx -d example.com -d www.example.com

How to create Lets encrypt certificate for Debian + apache + dovecot + postfix

We can download the certbot-auto Let’s Encrypt client to the /usr/local/sbin directory by typing:

Lets Encrypt