diff --git a/conf/default.env b/conf/default.env
index e03cada..d2352ba 100644
--- a/conf/default.env
+++ b/conf/default.env
@@ -19,13 +19,13 @@ DB_PORT=3306
 # https://invoiceninja.github.io/docs/self-host-installation/#final-setup-steps
 QUEUE_CONNECTION=database
 
-MAIL_MAILER=sendmail
+MAIL_MAILER=smtp
 MAIL_HOST=localhost
 MAIL_PORT=25
-MAIL_USERNAME=null
-MAIL_PASSWORD=null
+MAIL_USERNAME=__APP__
+MAIL_PASSWORD=__MAIL_PWD__
 MAIL_ENCRYPTION=null
-MAIL_FROM_ADDRESS='__EMAIL__'
+MAIL_FROM_ADDRESS='__APP__@__DOMIN__'
 MAIL_FROM_NAME='__EMAIL_FULLNAME__'
 
 DEMO_MODE=false
diff --git a/manifest.toml b/manifest.toml
index 32d8fbb..a04ba6b 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -65,6 +65,7 @@ ram.runtime = "50M"
         autoupdate.asset = "invoiceninja.zip"
 
     [resources.system_user]
+    allow_email = true
 
     [resources.install_dir]