- Plesk for Linux
Notification e-mails with the following content are being received every hour from the Plesk:
PLESK_INFO: Could not secure domains of John Doe (login email@example.com) with Let's Encrypt certificates. Please log in to Plesk and secure the domains listed below manually.
Securing of the following domains has failed:
Missed domain names failed to pass validation: webmail.example.com
The following domains have been secured without some of their Subject Alternative Names:
Could not renew Let's Encrypt certificates for John Doe (login firstname.lastname@example.org). Please log in to Plesk and renew the certificates listed below manually.
Renewal of the following Let's Encrypt certificates has failed:
The following Let's Encrypt certificates have been renewed without some of their Subject Alternative Names:
[+] This domain is secure. The domain's SSL/TLS certificate from Let's Encrypt has been issued/renewed.
[-] This domain is not secure. Either the domain's SSL/TLS certificate from Let's Encrypt could not be issued/renewed or the domain name was excluded from the certificate. Renew the certificate manually or request a new one to secure this domain.
Mail Service is disabled in Domains > example.com > Mail Settings
Webmail is not set to None in Domains > example.com > Mail Settings
The following error occurs in
PLESK_INFO: ERR [extension/letsencrypt] Failed to resolve challenge for domain webmail.example.com: Mail service is disabled on domain example.com.
Let's encrypt attempts to renew a certificate for a domain which does not resolve: webmail.example.com
- Log into Plesk;
- Navigate to Domains > example.com > Mail Settings and enable Mail Service:
- change Webmail to None:
- Press Apply.
If it is not required to secure domain's webmail at all, skip securing it in Let's Encrypt interface in Domains > example.com > Let's Encrypt > uncheck Secure webmail on this domain