Let's Encryptに登録しているメアドを変更する方法

Let's Encryptに登録しているメールアドレスを変更したくなったら、以下のコマンドを実行する。

certbot update_account --email 【新しいメールアドレス】

実行結果は以下の通りです。 メールアドレスの共有はご自由に

[root@bin]# certbot update_account --email hanamiche@example.com
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Starting new HTTPS connection (1): acme-v02.api.letsencrypt.org

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Would you be willing, once your first certificate is successfully issued, to
share your email address with the Electronic Frontier Foundation, a founding
partner of the Let's Encrypt project and the non-profit organization that
develops Certbot? We'd like to send you email about our work encrypting the web,
EFF news, campaigns, and ways to support digital freedom.
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(Y)es/(N)o: N

IMPORTANT NOTES:
 - Your e-mail address was updated to hanamiche@example.com