I'm trying to create a new customer without an email address but the API does not let me as long as "Send dunning letters by email" is enabled on the customer class.   Request: { "name": {"value": "test"}, "sendStatementsByEmail": {"value": false}, "sendInvoicesByEmail": {"value": false} } Response { "message": "VismaId: 72dc4122-b967-475f-81fc-db904744d0fd. Error inserting the customer. Error: Inserting 'Customer' record raised at least one error. Please review the errors.\r\nThe email address must be specified if 'Send dunning letters by email' is activated.\r\n" } It seems like there should be a "sendDunningLettersByEmail" option in the API but I can't seem to find it in the swagger spec.   Is there any way to create specific customers without email addresses without having to disable dunning letters in the customer class? ... View more