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LetsEncrypt – Expiration Notification Service Has Ended
Since its inception, Let’s Encrypt has been sending expiration notification emails to subscribers that have provided an email address to us via the ACME API. This service ended on June 4, 2025. The decision to end the service is the result of the following factors: Over the past 10 years more and more of our subscribers have been able to put reliable automation into place for certificate renewal. Providing expiration notification emails means that we have to retain millions of email addresses connected to issuance records.
Providing expiration notifications adds complexity to our infrastructure, which takes time and attention to manage and increases the likelihood of mistakes being made. We have deleted the email addresses provided to Let’s Encrypt via the ACME API that were stored in our CA database in association with issuance data. If you’d like to stay informed about technical updates and other news about Let’s Encrypt and our parent nonprofit, ISRG, based on the preferences you choose, you can sign up for our email lists below:
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