The option -d is deprecated, -p is preferred

locales/en.json

@@ -338,7 +338,6 @@
     "domain_dns_registrar_yunohost": "This domain is a nohost.me / nohost.st / ynh.fr and its DNS configuration is therefore automatically handled by YunoHost without any further configuration. (see the 'yunohost dyndns update' command)",
     "domain_dyndns_already_subscribed": "You have already subscribed to a DynDNS domain",
     "domain_dyndns_root_unknown": "Unknown DynDNS root domain",
-	"domain_password_no_dyndns": "The password is only used for subscribing to (and maybe later unsubscribing from) the DynDNS service",
     "domain_exists": "The domain already exists",
     "domain_hostname_failed": "Unable to set new hostname. This might cause an issue later (it might be fine).",
     "domain_registrar_is_not_configured": "The registrar is not yet configured for domain {domain}.",

share/actionsmap.yml

@@ -455,11 +455,11 @@ domain:
                         pattern: *pattern_domain
                 -d:
                     full: --dyndns
-                    help: Subscribe to the DynDNS service
+                    help: (Deprecated, using the -p option in order to set a password is recommended) Subscribe to the DynDNS service
                     action: store_true
                 -p:
                     full: --password
-                    help: Password used to later delete the domain ( if subscribing to the DynDNS service )
+                    help: Subscribe to the DynDNS service with a password, used to later delete the domain
                     extra:
                         pattern: *pattern_password
                         comment: dyndns_added_password

src/domain.py

@@ -163,6 +163,7 @@ def domain_add(operation_logger, domain, dyndns=False,password=None):
     domain = domain.encode("idna").decode("utf-8")
 
     # DynDNS domain
+    dyndns = dyndns or (password!=None) # If a password is specified, then it is obviously a dyndns domain, no need for the extra option
     if dyndns:
 
         from yunohost.utils.dns import is_yunohost_dyndns_domain
@@ -184,8 +185,6 @@ def domain_add(operation_logger, domain, dyndns=False,password=None):
 
         # Actually subscribe
         dyndns_subscribe(domain=domain,password=password)
-    elif password: # If a password is provided, while not subscribing to a DynDNS service
-        logger.warning(m18n.n("domain_password_no_dyndns"))
 
     _certificate_install_selfsigned([domain], True)