How-to guides

How to mail postcards for a business

Step-by-step help for choosing a USPS-compliant card size, a mail class, a clean address list and a small first test batch.

Mail a first postcard campaign in a safe order and know what to check afterward.

2 practical guides

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How to mail postcards for business: six steps from card size to a first test batch

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Six steps to mail postcards for business: USPS card size, mail class, a clean address list, how to send them, return address and a small first test.

Bottom line: Pick a card size that meets USPS standards, choose First Class or Marketing Mail, clean your address list, decide whether to use a printer or a mail service, add a return address and a way to respond, then send a small test batch first. Check results before you send the rest.

Practical guide

What is Thanks.io: how the direct mail service works, what it sends and where its limits start

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What Thanks.io is in plain language: a service that prints and mails postcards and notes in a digital handwriting style, how it works and where it stops.

Bottom line: Thanks.io is a direct mail automation service. You give it a design and addresses from a spreadsheet, a CRM or its API, and it prints, writes a handwritten-style message, stamps and mails each piece. Postage is inside the price and there is no minimum order.