When an invoice hasn’t been paid by the Due Date, Xero sends out email reminders to the Contact specified on the invoice record. By default, a total of three emails are sent out: 7 days, 14 days and 21 days from the Due Date.

Enable Invoice Alerts

In Xero…

Follow the Set up and add invoice reminders guide to enable and configure your invoice reminders.

In SugarCRM…

For email alerts to be sent out, the invoice must have a related email record sent to the customer. Refer to https://evolutionmarketing.atlassian.net/wiki/spaces/SR/pages/1812660354/Create+Send+Invoice+Email+Templates#Send-Invoices-using-Email-Templates for more information on emailing invoices from the Invoices module.