> but I don't see how the LE guys would be annoyed about thousands of requests for TLS certs from a single user. The system is automated, after all. :) We have

> but I don't see how the LE guys would be annoyed about thousands of requests for TLS certs from a single user. The system is automated, after all. :) We have to actually run a complicated server that does things with an external Hardware Security Module. CPU time, disk space, and bandwidth all cost money, and there's a finite amount of money we can spend on resources :) Thus, rate-limits. That also helps keeps latency low for most users, and prevents DDOSing.