Guides to mailing letters that count
Straight answers about USPS Certified Mail, return receipts and the letters people send when proof matters. Each guide links to the official source.
- How does certified mail work and what proof do you get?
- How do I send certified mail online?
- Can I send certified mail without going to the post office?
- How much does certified mail cost in 2026?
- How do I get a return receipt for certified mail online?
- Is online certified mail legally the same as post office certified mail?
- What is the difference between certified mail and registered mail?
- How do I track certified mail?
- Is there a service that prints and mails a letter for me?
- Can I type a letter online and have it mailed?
- What is the cheapest way to send a letter from my phone?
- Is Mailform worth it?
- What is the fastest way to mail a legal document?
- How do I mail a letter?
- How do I prove I sent a letter before a deadline?
- How do I send a certified letter in the US while living abroad?
- How do you mail a letter to an inmate?
- How do I send a letter to an inmate online?
- What are the mail rules for federal prisons (BOP)?
- Where do I find a state prison's mail rules?
- Can I send photos to an inmate through an online service?
- What's the cheapest way to write to someone in prison?
- How long does mail take to reach an inmate?
- How do I send a repair request letter to my landlord with proof?
- How should I send a notice to vacate to my landlord?
- How do I send a security deposit demand letter?
- Does a 30-day notice have to be sent by certified mail?
- Can I email my landlord a notice or does it need to be mailed?
- How do landlords send late rent notices by certified mail?
- How do you prove a tenant received a notice?
- How do I send a letter to the IRS by certified mail?
- How do I respond to an IRS notice by mail?
- How do Americans living overseas mail documents to the IRS?
- How do I mail documents to a court?
- Can you serve someone by certified mail?
- How do I prove I mailed a document to the court?
- How do I mail documents to USCIS?
- How do I track documents mailed to USCIS?
- Can I send a letter to Social Security online?
- How do I mail a letter to my congressman?
- How do I send a certified letter to the DMV?
- How do I cancel a gym membership by certified mail?
- How do I send a debt validation letter by certified mail?
- How do I tell a debt collector to stop contacting me?
- How do I mail a credit dispute letter to Equifax, Experian and TransUnion?
- Does a demand letter need to be sent certified mail?
- How do I send a demand letter before small claims court?
- How do I send a written cancellation for a contract or subscription?
- Does a cancellation letter need a return receipt?
- How do I cancel a timeshare by mail within the rescission period?