Hello Jean-Philippe
here the answers to your questions:
please check you do not have any config file that could be interpreted and overrule what is in /etc/dehydrated/config in the following places
/usr/local/etc/dehydrated/config
./config (current directory)
/usr/bin/config
-> nothing found
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you can hide your email address and account string please. (what is in /etc/dehydrated/accounts/<HERE>/..)
-server accounts]# dir
[OBF]
[OBF]
----------------------------------------------
-server ~]# dehydrated -e
-bash: -server: Kommando nicht gefunden.
[root@gserver ~]# # dehydrated configuration
[root@g-server ~]# # INFO: Using main config file /etc/dehydrated/config
[root@g-server ~]# declare -- CA="
https://acme-v02.api.letsencrypt.org/directory"
[root@g-server ~]# declare -- LICENSE=""
[root@g-server ~]# declare -- CERTDIR="/etc/dehydrated/certs"
[root@g-server ~]# declare -- CHALLENGETYPE="http-01"
[root@g-server ~]# declare -- DOMAINS_D=""
[root@gserver ~]# declare -- DOMAINS_TXT="/etc/dehydrated/domains.txt"
[root@gserver ~]# declare -- HOOK="/usr/bin/hook-script.sh"
[root@g-server ~]# declare -- HOOK_CHAIN="no"
[root@g-server ~]# declare -- RENEW_DAYS="30"
[root@g-server ~]# declare -- ACCOUNT_KEY="/etc/dehydrated/accounts/[OBF]/account_key.pem"
[root@g-server ~]# declare -- ACCOUNT_KEY_JSON="/etc/dehydrated/accounts/[OBF]/registration_info.json"
[root@g-server ~]# declare -- KEYSIZE="4096"
[root@g-server ~]# declare -- WELLKNOWN="/home/e-smith/files/ibays/Primary/html/.well-known/acme-challenge"
[root@g-server ~]# declare -- PRIVATE_KEY_RENEW="yes"
[root@g-server ~]# declare -- OPENSSL_CNF="/etc/pki/tls/openssl.cnf"
[root@g-server ~]# declare -- CONTACT_EMAIL="*@*.ch"
[root@g-server ~]# declare -- LOCKFILE="/etc/dehydrated/lock"
i hope it helps
thank you
umbi