[TOPF] Let's Encrypt certificate expiration notice for domain "openproject.zapf.wiki"

Hello, Your certificate (or certificates) for the names listed below will expire in 10 days (on 12 Dec 18 09:14 +0000). Please make sure to renew your certificate before then, or visitors to your website will encounter errors. We recommend renewing certificates automatically when they have a third of their total lifetime left. For Let's Encrypt's current 90-day certificates, that means renewing 30 days before expiration. See https://letsencrypt.org/docs/integration-guide/ for details. openproject.zapf.wiki For any questions or support, please visit https://community.letsencrypt.org/. Unfortunately, we can't provide support by email. If you are receiving this email in error, unsubscribe at http://mandrillapp.com/track/unsub.php?u=30850198&id=7dde328ff7fa4f55... Regards, The Let's Encrypt Team