Since its inception, Let’s Encrypt has been sending expiration notification emails to subscribers that have provided an email address to us. We will be ending this service on June 4, 2025. The decision to end this service is the result of the following factors:
Over the past 10 years more and ...
Providing expiration notification emails means that we have to retain millions of email addresses connected to issuance records. As an organization that values privacy, removing this requirement is important to us.
I fully support the privacy argument (I didn't realize it has been mandatory to give some emai address to get a cert) but why not make it optional instead?
The reminder email from them has saved me once when originally "temporary" domain was not so temporary after all and I forgot to set up auto-renewal and monitoring for it.