billwerk is offering three modes of dispatch for your invoices to the customer.
1. Email: billwerk can automatically send your invoice to your customer by email.
2. Postal letter: billwerk can print, envelope, frank and forward you invoices for a small amount.
3. Archive: You can offer your invoices for download as a PDF-File in the customer self-service portal.
You can change the delivery type in the customer details. Go to "Customers > Customer Details", click on the "edit"-button and set at "Options > Mode of dispatch" and select the wanted option.