diff --git a/conf/config.php b/conf/config.php
index 32da5ae..4e4fdd3 100644
--- a/conf/config.php
+++ b/conf/config.php
@@ -42,19 +42,19 @@ define('FILES_DIR', DATA_DIR.DIRECTORY_SEPARATOR.'files');
 define('MAIL_CONFIGURATION', true);
 
 // E-mail address used for the "From" header (notifications)
-define('MAIL_FROM', '__EMAIL__');
+define('MAIL_FROM', 'noreply@__DOMAIN__');
 
 // E-mail address used for the "Bcc" header to send a copy of all notifications
 define('MAIL_BCC', '');
 
 // Mail transport available: "smtp", "sendmail", "mail" (PHP mail function), "postmark", "mailgun", "sendgrid"
-define('MAIL_TRANSPORT', 'mail');
+define('MAIL_TRANSPORT', 'smtp');
 
 // SMTP configuration to use when the "smtp" transport is chosen
 define('MAIL_SMTP_HOSTNAME', 'localhost');
 define('MAIL_SMTP_PORT', 25);
-define('MAIL_SMTP_USERNAME', '');
-define('MAIL_SMTP_PASSWORD', '');
+define('MAIL_SMTP_USERNAME', '__APP__');
+define('MAIL_SMTP_PASSWORD', '__MAIL_PWD__');
 define('MAIL_SMTP_ENCRYPTION', null); // Valid values are "null", "ssl" or "tls"
 
 // Sendmail command to use when the transport is "sendmail"
diff --git a/manifest.toml b/manifest.toml
index 28dccd4..b04c07d 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -51,12 +51,12 @@ ram.runtime = "50M"
         autoupdate.strategy = "latest_github_tag"
 
     [resources.system_user]
-
+    allow_email = true
+    
     [resources.install_dir]
 
     [resources.permissions]
     main.url = "/"
-    #main.auth_header = false
     ics.url = "/?controller=ICalendarController"
     ics.show_tile = false
     ics.allowed = "visitors"
diff --git a/scripts/upgrade b/scripts/upgrade
index 160ea05..3840432 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -65,7 +65,7 @@ chown -R $app:www-data "$install_dir"
 ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=5
 
 # Create a dedicated PHP-FPM config
-ynh_add_fpm_config --phpversion=$phpversion --usage=$fpm_usage --footprint=$fpm_footprint
+ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
 
 # Create a dedicated NGINX config
 ynh_add_nginx_config