Here’s the Truth About Sending Certified Mail to a P.O. Box

You’d think mailing something to a P.O. Box, especially Certified Mail, would be simple, right? Just drop it off, USPS does their thing, the person

Video thumbnail of LetterStream interface guiding a user through sending their first letter online.

First-Class Mail

How to Send Your First Letter With LetterStream

If you’re new to LetterStream, welcome! You’re about to discover just how easy it is to send mail online, even high-volume mailings—without the hassle of

Certified Mail

Certified Mail: Small Businesses Need Proof Without the Hassle

Sending important documents without proof of delivery can create unnecessary risk for small businesses. Certified Mail online makes it easy to stay compliant without slowing

example of a Registered Mail letter and matching envelope

How-to At LetterStream

Now Available! Send Registered Mail Through LetterStream

We’re excited to announce that sending Registered Mail online is now available in your online portal. If you’re a company or someone who is required

How-to At LetterStream

Everything You Need to Know About Registered Mail vs Certified Mail

We’re excited to announce that we recently launched the option to send Registered Mail from your online LetterStream account. Now we want to be upfront