Send invoices by email.

lang/de/configuration.php

@@ -44,5 +44,12 @@ return [
     'Color' => 'Farbe',
     'Company logo' => 'Firmenlogo',
     'Activity' => 'Tätigkeitsfeld',
+    'Mail delivery' => 'E-Mail Versand',
+    'Mail transport' => 'Versand Typ',
+    'Mail host' => 'Server Adresse',
+    'Mail port' => 'Port',
+    'Mail encryption' => 'Verschlüsselung',
+    'Mail username' => 'Benutzername',
+    'Mail password' => 'Passwort',
 
 ];