diff --git a/locales/en.json b/locales/en.json
index 4578075b4..30ec91f63 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -319,6 +319,9 @@
     "domain_uninstall_app_first": "Those applications are still installed on your domain:\n{apps}\n\nPlease uninstall them using 'yunohost app remove the_app_id' or move them to another domain using 'yunohost app change-url the_app_id' before proceeding to domain removal",
     "domain_registrar_is_not_configured": "The registrar is not yet configured for domain {domain}.",
     "domain_dns_push_not_applicable": "The DNS push feature is not applicable to domain {domain}",
+    "domain_config_mail_in": "Incoming emails",
+    "domain_config_mail_out": "Outgoing emails",
+    "domain_config_xmpp": "XMPP",
     "domain_config_auth_token": "Authentication token",
     "domain_config_api_protocol": "API protocol",
     "domain_config_auth_entrypoint": "API entry point",