Want to know how to write an email with an invoice attached? Read on for our top tips, as well as a sample invoice email you can use for your customers.You'll learn essential tips to write the best invoice emails and provide 6 invoice business email templates and a template for you to use. Use this invoice email template to write and send invoices that are straightforward and easy to understand, making it easier for you to get paid on time. Discover how to craft effective invoice email templates that ensure quicker payments and keep clients uptodate with their account status. In this article, we'll outline what you need to include to write a strong invoice email. To send mail, give cards and letters to the nurse on your unit, who will place them in the mail drop. Us for processing. 6. The Pennsylvania Department of Environmental Protection (DEP) has issued a drought watch that affects Allegheny County. Allegheny Power has had bill inserts and other communication to customers explaining e-billing.