alt Hacker NewsOne would hope they're also increasing rate limits along with this, but there's no indication of that yet.
> Up to 50 certificates can be issued per registered domain (or IPv4 address, or IPv6 /64 range) every 7 days. This is a global limit, and all new order requests, regardless of which account submits them, count towards this limit.
This is hard to deal with when you have a large number of subdomains and you'd rather (as per their recommendations) not issue SAN certificates with multiple subdomains on them.
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Certificates that look like renewals -- for the same set of names, from the same account -- are exempt from rate limits. This means that renewing (for example) every 30 days instead of every 60 days will not cost any rate limit tokens or require any rate limit overrides.
Note that renewing certificates is generally exempt from rate limits: https://letsencrypt.org/docs/rate-limits/#limit-exemptions-f...
We are working on further improvements to our rate limits, including adding more automation to how we adjust them. We're not ready to announce that yet.
We wanted to get this post out as soon as we'd decided on a timeline so everyone's on the same page here.