LetterAgent

Mail physical letters by just asking your AI assistant.


Status: LetterAgent is currently in private testing ahead of public launch. Everything on this page describes the service as it works today.

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My letter went to the wrong address. What now?

If you wrote the wrong address, you usually can't pull the letter back: once it's in the mailstream it goes where the address says. If the carrier delivered your correctly addressed letter to the wrong house, visit your local post office that day: they may retrieve it before it's opened. Otherwise, fix the address and mail the letter again.

What went wrongCan you fix it?What to do
You wrote the wrong addressRarelyResend to the correct address; the first letter goes where you told it to
Carrier misdelivered a correct addressSometimes, same dayVisit your local post office immediately and ask for retrieval
Letter shifted in a window envelopePreventable next timeCheck alignment; print addresses instead of handwriting
Right street, wrong unit numberMaybeContact the recipient; resend with the full unit number

Why can't the post office just turn it around?

An ordinary letter is anonymous once it's sorted. There's no tracking barcode tying it to you, and it moves through high-speed sorting with millions of identical envelopes. The post office can't pluck one envelope out of that stream any more than you could find one specific car on a highway from a helicopter. That's the price of cheap, fast letter mail: it's a fire-and-forget system.

The one exception is same-day carrier retrieval. If your correctly addressed letter landed in the wrong mailbox this morning, your local post office may be able to have the carrier pick it back up on their route, but only if it hasn't been opened. Carriers know their routes house by house, so a quick report with the address and a description of the envelope can actually work. Tomorrow is usually too late.

What if someone else got your letter?

If you're the one who received someone else's mail, don't open it: opening mail that isn't addressed to you is a federal offense in the US. Write "misdelivered" on the envelope and put it back in your mailbox or a collection box. If you're the sender and a neighbor or stranger got your letter, you can ask them to return it, but you can't compel them beyond that: your practical remedy is resending.

If the letter contained sensitive information, like financial details or personal data, take it seriously: notify anyone affected, watch for misuse, and consider that the information is now out of your control. This is one more reason to double-check addresses on anything sensitive before it leaves your hands.

How do you stop it happening again?

Verify the address with the recipient directly and read it back to them, unit number included. Print addresses instead of handwriting them: sorting machines read printed text far more reliably than handwriting, and a misread character is a common cause of "correct" addresses going wrong. If you use window envelopes, make sure the letter is folded so the address block sits squarely in the window with no other text visible: a shifted letter showing the wrong line is a self-inflicted misdelivery.

And always use a return address. If the address is undeliverable as written, a return address means the letter comes back to you with an explanation instead of disappearing into the dead-letter system.

Related guides

Ready to mail it? Send your letter with LetterAgent: describe it to your AI assistant, approve the exact quoted price, and it's printed and mailed.


LetterAgent is a working name. Prices include print, postage, and our service fee. US prices in USD, Canadian prices in CAD (Canadian prices exclude applicable sales tax, added at checkout). Currently in private testing.

Need help? Ask your assistant. It can check a job's status any time. If it ever can't handle something: hello@getletteragent.com

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