I think it’s a good idea, everyone should be automating this anyway.
Those emails have warned me something was pooched in advance many times. I do find them useful.
Sad to see them go, but nice they mention an alternative.
Pretty much all monitoring solutions on the market track cert expiration nowadays. I get an alert when any of my certs have <5 days left
Providing expiration notifications costs Let’s Encrypt tens of thousands of dollars per year
Not doubting them, but I don’t understand how that’s possible.
Storing the email addresses and expiration dates takes an irrelevant amount of storage space, even if they had billions of cutomers.
Sending the emails should also not cost thousands, even if a significant amount of customers regularly let their certificates expire (which hopefull isn’t the case).
So where are the tens of thousands of yearly costs coming from?
