If you use Caddy, you'll almost never run into rate limits from Let's Encrypt, because Caddy rate limits itself, and will fallback to ZeroSSL instead of Let's E

If you use Caddy, you'll almost never run into rate limits from Let's Encrypt, because Caddy rate limits itself, and will fallback to ZeroSSL instead of Let's Encrypt, and even fallback to LE's staging for additional retries against LE before trying the live one again if it works with staging. See https://caddyserver.com/docs/automatic-https#errors https://caddyserver.com/docs/automatic-https#errors