March 13, 2019: End-of-Life for All TLS-SNI-01 Validation Support [API Announcements] (8)

Let’s Encrypt allows subscribers to validate domain control using any one of a few different validation methods. For much of the time Let’s Encrypt has been operating, the options were “DNS-01”, “HTTP-01”, and “TLS-SNI-0…

How to stop using TLS-SNI-01 with Certbot [Client dev] (4)

Let’s Encrypt is removing support for domain validation with TLS-SNI-01. If you’re using Certbot and received an email titled “Action required: Let’s Encrypt certificate renewals” or are getting the error message: Clie…

Welcome to Let's Encrypt Community Support [Uncategorized] (2)
Can I get SSL using only WordPress/file system/DNS? [Help] (2)
Trouble with Issuing Certs Due CAA [Server] (5)
Trying to fix my certificate after changing domain names ( 2 ) [Help] (30)
Failed to connect to let's encrypt, confirm domain [Help] (11)
Vultr - 1-click WordPress SSL Auto Renewal [Help] (11)
Certificate renewal failed but challenge file is accesible via browser and curl [Help] (8)
Limiting the number of renewals per certbot invoke [Client dev] (12)
Max retries exceeded with url: /directory [Help] (2)
Error 400 connection refused [Help] (7)
How to setup cert for webmail? [Help] (2)
SSL Cert for WordPress on LightSail [Help] (9)
Certbot --nginx returns 404 on challenges but curl works [Help] (7)
Issues making certificates ( 2 ) [Help] (34)
Issue with Port 80 after TLS-SNI-01 update [Server] (17)
Letsencrypt doesn't verify dns-01 and leaves challenge in status: pending state [Issuance Tech] (14)
Dns-google plugin failure to find managed domains [Help] (14)
DNS-01 ISP Block port 80 guy [White flag] [Help] (6)
Error: Could not issue a Let's Encrypt SSL/TLS certificate for Authorization for the domain failed [Help] (7)
Web Hosting who support Let's Encrypt ( 21 22 23 24 25 26 27 28 29 30 31 32 ) [Issuance Tech] (630)
Not sure how to proceed. Don't know if certbot or other issue [Help] (14)
It is secure to forward an SSL/TLS request through apache subdomain? [Help] (3)
Wrong Certificate is loading [Server] (9)
Virtualmin Error: Failed to request certificate [Help] (5)
Still receiving "Action required: Let's Encrypt certificate renewals" emails with older version [Client dev] (2)
Feature-Request: SMIME / Signing for PDF [Feature Requests] (4)
Unable to renew, but --dry-run is successful [Help] (3)
Completely new certificate/server/domain: Failed authorization procedure [Help] (3)