Cashups DayendsDebtor Statements - manual or automaticSales InvoicesQuotesIt has become neccessary for 4POS to use a 3rd party email server due to the volume of emails sent by our users.We charge a sliding scale email service fee . If you have subscribed for 1 service & wish to then upgrade, we can simply increase the value of the subscription accordingly.First 200 emails free - thereafter you need to subscribe to our email service.