No, neither receipts nor payments are included among transactions you can set up email templates for. If you thought my suggestion about the Guide referred to them, I guess I should have been more specific. Your opening comment, though, was about customer names not autofilling. Customers are not associated with receipts, where the recipient is the Payer. Customers are only the recipient of sales invoices; and there is the possibility of an email template for sales invoices
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