diff --git a/conf/.env.example b/conf/.env.example
index b4d7b7e..b5c02db 100644
--- a/conf/.env.example
+++ b/conf/.env.example
@@ -1,7 +1,10 @@
 # Create .env from this example file and replace values for the environment.
 # The application expects a separate .env.test for test environment configuration
 
-TOOLJET_HOST=https://__DOMAIN____PATH__
+NODE_ENV=production
+
+TOOLJET_HOST=https://__DOMAIN__
+SUB_PATH=__PATH__/
 LOCKBOX_MASTER_KEY=__LOCKBOX_MASTER_KEY__
 SECRET_KEY_BASE=__SECRET_KEY_BASE__
 PORT=__PORT__
@@ -20,7 +23,9 @@ CHECK_FOR_UPDATES=0
 
 # EMAIL CONFIGURATION
 DEFAULT_FROM_EMAIL=__APP__@__DOMAIN__
-SMTP_DOMAIN=__MAIN_DOMAIN__
+SMTP_USERNAME=__APP__
+SMTP_PASSWORD=__MAIL_PWD__
+SMTP_DOMAIN=__DOMAIN__
 SMTP_PORT=25
 
 # DISABLE USER SIGNUPS (true or false). Default: true
diff --git a/conf/systemd.service b/conf/systemd.service
index 14d602e..63fd9c7 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -8,6 +8,7 @@ User=__APP__
 Group=__APP__
 WorkingDirectory=__INSTALL_DIR__/
 Environment="__YNH_NODE_LOAD_PATH__"
+EnvironmentFile=__INSTALL_DIR__/.env
 ExecStart=__YNH_NPM__ run start:prod
 StandardOutput=journal
 StandardError=inherit
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 3ee64f3..f227381 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -7,8 +7,6 @@
 NODEJS_VERSION="18.18.2"
 NPM_VERSION="9.8.1"
 
-main_domain=$(cat /etc/yunohost/current_host)
-
 #=================================================
 # PERSONAL HELPERS
 #=================================================