Allard

Hello All, I tried to install let's encrypt on my xpenology DSM 6.1. with the following guide https://xpenology.club/how-to-install-lets-encrypt-ssl-certificate-on-xpenology/ When i enter my xxxxxxxxxxxxxxxx.duckdns.org domain and my email(a g-mailaccount).I receive the following message: "the operation failed. Please log in to DSM again and retry." How can i fix this issue?