We’ve written an automated service to issue/renew certs from Let’s Encrypt. So far, it’s been working really well. We also requested a rate limit increase (5K certs/week) which was approved. Over the weekend, we saw that the service was seeing the following error: “ acme-v01.api.letsencrypt.org \nAn …

Error: Too many registrations for this IP

ahaw021 September 12, 2017, 2:12am 3

have a look at this thread:

Andrei