Square is the free point-of-sale app that lets you sell anywhere and any way your customers want to buy. You can run your business more safely with contactless and remote payments through the Point of Sale app.
SMTP stands for Simple Mail Transfer Protocol, which is an Internet standard for email transmission available in Microsoft, Google and Yahoo! products among millions of mail servers worldwide.SMTP by Connect Integrations
It's easy to connect Square + SMTP by Connect without coding knowledge. Start creating your own business flow.