証明書を更新したら、nginx を再起動すること。-- ToshinoriMaeno 2025-01-06 03:17:41

# certbot certonly --manual --preferred-challenges dns-01 -d *.qmail.jp --manual-auth-hook /home/tmaeno/dnsdata/txt.sh
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Renewing an existing certificate for *.qmail.jp
Hook '--manual-auth-hook' for qmail.jp ran with output:
 cat base cname txt0 letxt one > /service/tinydns/root/qmailjp
 (cd /service/tinydns/root; make)
 make[1]: Entering directory '/home/tinydns/root'
 /usr/local/bin/tinydns-data
 make[1]: Leaving directory '/home/tinydns/root'

Successfully received certificate.
Certificate is saved at: /etc/letsencrypt/live/qmail.jp/fullchain.pem
Key is saved at:         /etc/letsencrypt/live/qmail.jp/privkey.pem
This certificate expires on 2025-04-06.
These files will be updated when the certificate renews.
Certbot has set up a scheduled task to automatically renew this certificate in the background.

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