How to Send a Certified Letter

Use Mailform to Send your USPS Certified Letter Online

Wondering how to send a Certified Letter?

Mailform is the easiest way to send a Certified letter, whether online or offline. Mailform allows you skip the hassle of going to the post office to send your Certified Letter. Here's how it works:

  1. Write the letter or document you'd like to send! (if you're not sure how, check out How to Write a Letter on Wikihow)

  2. Head to Mailform and upload the letter you want to send via USPS Certified Mail Upload your Certified Letter

  3. Once you've uploaded your Certified Document or letter(s), hit ‘NEXT’Hit next once your upload is complete

  4. Enter the recipient name and addressEnter the recipient name and address

  5. Enter your return address (this is where the letter should go if it's returned) Enter your return address (this is where the letter should go if it's returned) 

  6. Choose your mail options. Be sure to select USPS Certified Mail Choose your mail options, and select Certified Mail

Pay and Send - we accept credit, debit or Paypalt. Once you've paid, we will print an envelope with your recipient address and return address, ensure there is sufficient postage to mail the letter, hand the letter off to the USPS, and send you a delivery confirmation via email, when the letter arrives at its destination.

Here’s our "how to send a letter" video, in case you need more visual instructions. You can do it with Mailform online, quickly and easily:

What is Mailform? is the easiest way to send a Certified letter, document, form or PDF via USPS Certified Mail. We're a cloud app, accessible from any browser and we have an app for Android Devices. Mailform does not require any signup, account, or subscription. Here are the options we provide

How do I send a Certified Letter?

There's no one way to send a letter - there are many ways to send a letter, and how you do it depends on what your letter is about, who the recipient is, your time constraints, your cost constraints, and more. We've compiled a handy list of options for you.

How to send a Certified letter via snail mail, by going to the post office (the cheapest way)

Step 1: Write the letter and print it out.

Some tools you could use to write the letter using your computer are include Microsoft Word, Google Docs, Sublime Text, TextEdit, Evernote (or any notes app) and more. Once written on your computer, print the letter out on the paper you got. If you're using a pen, you can write on the paper directly.

Step 2: Retrieve a Certified Mail Envelope. These are available at the post office

Step 3: Address the envelope, and fold and stuff the letter in the envelope.

Step 4: Pay for, and mail the envelope

How to send a Certified letter via snail mail, using Mailform (the quickest way)

To send a letter via snail mail using Mailform, which is the quickest way possible, you'll need

Here are the easy steps to send the letter.

  1. Write the letter! (in case you're not sure how to write a letter, check out

  2. Head to and upload the letter you want to send, and then hit "Next"Upload the letter using the "upload" button

  3. Enter the recipient's address. Make sure this is properly formatted, and hit "Next"Enter the recipient's mailing address

  4. Enter a return address (this is where the letter should go if it's returned) Enter a return address

  5. Choose Certified Mail!Be sure to select Certified Mail

  6. Hit Pay and send!

And check out our review on Lifehacker! If you're looking to send fast mail overnight, Mailform supports the USPS Overnight Service (via USPS Priority Mail Express). In addition, you can send via USPS Priority Mail for expedited, but less expensive service.

If you're interested in a greater amount of speed and bulk options  our sister service SendOvernightMail enables you to print and Mail via Fedex (orders are shipped via Fedex Kinkos): using Fedex Overnight, Fedex 2 Day, Fedex Express Saver, Fedex Ground, and Fedex Ground Home Delivery. All Fedex and USPS Priority options come with delivery confirmation via email, and you'll get a tracking number that you can independently use to verify that your documents were delivered. And email with any questions, comments, suggestions or concerns.

These happy customers and businesses are using Mailform

"Mailform saves me time. Period."

- Alex Andon, Simility

"We print monthly invoices and the quick support is fantastic!"

- Brett Florio, FoxyCart