How to disable the Let's Encrypt "Certificate Renewed" notification emails?

Or … at least how to change the recipient’s address?

SYSTEM INFORMATION
OS type and version Debian 11
Webmin version 2.013
Virtualmin version 7.5
Related packages -

As long as there are no failures, I don’t really want to be bothered with these notifications, or at least if they can be redirected to a custom email address, instead of the account’s admin, it would be fine.
So, any idea where to control them?

I found two earlier posts relevant to this without an answer:

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