I'm using Letsencrypt certificates for MQTT TLS, and it works great, however I'm a little confused about the use of chain.pem as a CA certificate. In this post; [image] Why is the CA Cert File not supplied along with cert and key? Help H… @schoen says that the chain.p…

Letsencrypt chain.pem or trusted root list cert?

system Closed December 9, 2019, 8:17pm 21

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