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Guide

How to mail a letter online

A step-by-step guide to mail a letter online with PostalForm.

How it works

Step 1

Prepare your letter

Save your document as a PDF.

Step 2

Upload the PDF

Add sender + recipient addresses.

Step 3

Review and confirm

Check the preview and print options.

Step 4

Checkout

We print + mail it via USPS.

Before you send

  • Use standard US letter sizing (8.5 x 11 inches).
  • Include any signatures directly in the PDF.
  • Double-check addresses to avoid returned mail.

If you need certified mail or signature confirmation

PostalForm currently sends standard USPS mail. If your recipient requires certified mail, signature confirmation, or another service level, follow their instructions and choose the mailing option they specify.

Common use cases

  • Notices, statements, and formal letters
  • HR, legal, and client communications
  • Printed forms that must be mailed
  • Mail from a phone or remote location

FAQs

Do I need a printer or stamps?
No. Upload a PDF and we handle printing and mailing for you.
Can I send multi-page letters?
Yes. Upload a PDF with multiple pages and we will mail the full document.
Do you offer certified mail?
PostalForm sends standard USPS mail today. If certified mail is required, follow the recipient's instructions.

Ready to send it?

Upload your PDF and we will guide you through the mailing steps.