Expiration Notification Service Has Ended

“Providing expiration notification emails means that we have to retain millions of email addresses connected to issuance records.”

Let’s Encrypt stopped sending expiry warning emails on June 4 and announced it three weeks later. The emails cost tens of thousands a year and meant holding millions of addresses tied to certificates. Deleting them is the right privacy call. Anyone whose renewal automation quietly breaks now finds out from an outage.