Letsencrypt/dehydrated/www.qmail.jpの証明書について、ここに記述してください。

# ./dehydrated -c -f ./config
# INFO: Using main config file ./config
Processing www.qmail.jp
 + Creating new directory ./certs/www.qmail.jp ...
 + Signing domains...
 + Generating private key...
 + Generating signing request...
 + Requesting new certificate order from CA...
 + Received 1 authorizations URLs from the CA
 + Handling authorization for www.qmail.jp
 + 1 pending challenge(s)
 + Deploying challenge tokens...
 + Responding to challenge for www.qmail.jp authorization...
 + Challenge is valid!
 + Cleaning challenge tokens...
 + Requesting certificate...
 + Checking certificate...
 + Done!
 + Creating fullchain.pem...
 + Done!

domains.txt

www.qmail.jp

config

WELLKNOWN="/home/publicfile/file/www.qmail.jp/.well-known/acme-challenge"

1. tmaeno/dehydrated/certs

# ls -l www.qmail.jp
total 20
-rw-------  1 root  wheel  1647  1�� 24 20:41 cert-1548330093.csr
-rw-------  1 root  wheel  2248  1�� 24 20:41 cert-1548330093.pem
lrwx------  1 root  wheel    19  1�� 24 20:41 cert.csr -> cert-1548330093.csr
lrwx------  1 root  wheel    19  1�� 24 20:41 cert.pem -> cert-1548330093.pem
-rw-------  1 root  wheel  1648  1�� 24 20:41 chain-1548330093.pem
lrwx------  1 root  wheel    20  1�� 24 20:41 chain.pem -> chain-1548330093.pem
-rw-------  1 root  wheel  3896  1�� 24 20:41 fullchain-1548330093.pem
lrwx------  1 root  wheel    24  1�� 24 20:41 fullchain.pem -> fullchain-1548330093.pem
-rw-------  1 root  wheel  3243  1�� 24 20:41 privkey-1548330093.pem
lrwx------  1 root  wheel    22  1�� 24 20:41 privkey.pem -> privkey-1548330093.pem