Tag Archives: letsencrypt

Webmin Let’s Encrypt: XYZ is not a valid e-mail address

Error acme.messages.Error: urn:ietf:params:acme:error:invalidEmail :: The provided email for a registration was invalid :: Error creating new account :: “XYZ” is not a valid e-mail address Root Cause In my case, I created Virtual Server without the email feature enabled. Hence when Webmin tried to generate Let’s Encrypt SSL Certificate, it used the default email address. […]


Webmin Let’s Encrypt Throws “Failed to Establish a New Connection”

Error requests.exceptions.ConnectionError: HTTPSConnectionPool(host=’acme-v02.api.letsencrypt.org’, port=443): Max retries exceeded with url: /directory (Caused by NewConnectionError(‘<urllib3.connection.VerifiedHTTPSConnection object at 0x7f94951b7860>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution’,)) Root Cause When Webmin tries to send request to Let’s Encrypt, Let’s Encrypt is trying to get the response from the Website index page. If Let’s […]