Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. https://crt.sh/?q=example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is: mail.gamesyap.com
I ran this command: certbot-auto certonly -d mail.gamesyap.com
It produced this output: I don’t have error
My web server is (include version): nginx 1.14
The operating system my web server runs on is (include version): Ubuntu 18.04
My hosting provider, if applicable, is: linode.com
I can login to a root shell on my machine (yes or no, or I don’t know): yes
I’m using a control panel to manage my site (no, or provide the name and version of the control panel): no
I am trying use the certificate mail.gamesyap.com for my postfix and dovecot server but I have error use email account on the thunderbird with the information no validate how can I use let’s encrypt for postfix and dovecot?