- 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
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.
webmail.example.com does not resolve into IP address:
# ping webmail.example.com
ping: webmail.example.com Name or service not known
- Let's Encrypt is enabled in Subscriptions > example.com > Customize > Additional Services
Let's encrypt attempts to renew a certificate for a domain which does not resolve: webmail.example.com.
The following options are available:
Option I: when webmail service is needed
- Log into Plesk;
- Navigate to Domains > example.com > Mail Settings and enable Mail Service:
- Change Webmail to None and press Apply:
Option II: when webmail service is not needed
Skip securing it in Let's Encrypt interface in Domains > example.com > Let's Encrypt > uncheck "Secure webmail on this domain":
Disable Let's Encrypt in Subscriptions > example.com > Customize > Additional Services: