How to Send an Anonymous Letter by Mail
Want to send an anonymous letter but don't know how? Here are your options — including the easiest way to do it without leaving a trace
Sending an anonymous letter sounds simple. Buy a stamp, skip the return address, drop it in a mailbox. Done, right? Not quite. There are a few things that can give you away — and a few things worth knowing before you send anything. Here's everything you need to know.
Can You Really Send a Letter Anonymously?
Yes. There's nothing illegal about sending a letter without a return address. The postal service doesn't require one. Your name doesn't need to appear anywhere on the envelope. That said, truly anonymous mail takes a little thought. Here's what to watch out for.
The DIY Method — What You Need to Know If you want to send an anonymous letter yourself, here's how most people do it:
Don't use your home printer. Modern printers embed invisible tracking dots in every page they print — a little-known feature originally designed to trace counterfeit currency. If anonymity matters, printing at home isn't ideal. A public library or print shop is safer.
Don't handwrite it if your handwriting is recognizable. If the recipient knows you well, your handwriting might give you away. Typed and printed is safer.
Use cash to buy stamps. Buying stamps with a credit card creates a transaction record. Cash at a post office or drugstore leaves no trail.
Don't mail it from your neighborhood. The postmark on your envelope shows the city it was mailed from. If you live in a small town or the recipient knows your general area, mail it from somewhere else.
Leave no return address. This one's obvious — but double check the envelope before you seal it.
Don't lick the envelope or stamp. DNA - It sounds paranoid but it's worth knowing.
The Easier Way — Let Someone Else Send It
If all that feels like a lot of work — or if you just don't want any connection to the letter whatsoever — there's a simpler option. This is exactly what MailSecretly.com does. You write your message. We print it on plain white paper, seal it in an unmarked envelope, and mail it from our location with no return address. Your name never appears anywhere. Your address never appears anywhere. There's no trail back to you. It costs $9. Takes about two minutes to do. Your letter arrives within a few days. People use it for love letters they're too scared to sign, confessions they've been carrying for years, hard truths someone needs to hear, and yes — the occasional prank. We never judge. We never tell. That's the whole point. 🤫
Is It Legal? Yes — as long as the content isn't threatening, hateful, or harassment. Anonymous letters have a long history. Whistleblowers use them. Admirers use them. People with things to say and reasons to stay silent use them every day. The only rule is: say what you mean, but don't cross into territory that could harm someone.
Ready to Send Yours? If you've got something to say and a reason to stay anonymous — mailsecretly.com is the easiest way to do it. No return address. No drama. No trace. 🤫