PaperKarma articles

Research, tactics, and perspectives on stopping junk mail.

Practical guides, original research, and editorial context from the team that's processed 10M+ opt-outs since 2011.

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Guides

How to Stop Credit Card Offers in the Mail

To stop credit card offers in the mail, opt out of preapproved offers at OptOutPrescreen. Then opt-out of all other c...

Aug 2, 2026 · 9 min read
Guides

OptOutPrescreen: Is It Legit, and What Does It Actually Stop? A 2026 Review

OptOutPrescreen is the legitimate, official website for stopping prescreened (preapproved) credit and insurance offer...

Aug 1, 2026 · 11 min read
Guides

What Is EDDM? The Junk Mail Nobody Can Stop

EDDM (Every Door Direct Mail) is a USPS program that delivers an advertiser’s mail piece to every address on a...

Jul 30, 2026 · 12 min read
Perspectives

Better Robots Won’t Fix Recycling. So What To Do with Junk Mail?

For junk mail, it is better to reduce it than to recycle it. Smarter sorting robots can identify almost anything on a...

Jun 11, 2026 · 7 min read
Guides

How to Stop Junk Mail: Guides & Tactics

Step-by-step guides for stopping junk mail by sender, by service, and by category.

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Guides

OptOutPrescreen: Is It Legit, and What Does It Actually Stop? A 2026 Review

OptOutPrescreen is the legitimate, official website for stopping prescreened (preapproved) credit and insurance offers: the Fair Credit Reporting Act requires the four credit bureaus…

Aug 1, 2026 · 11 min read
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Guides

What Is EDDM? The Junk Mail Nobody Can Stop

EDDM (Every Door Direct Mail) is a USPS program that delivers an advertiser’s mail piece to every address on a chosen postal route, with…

Jul 30, 2026 · 12 min read
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Guides

Mail Scams Targeting Seniors: The Two Predators in the Mailbox, and How to Stop Each One

To protect an elderly parent from mail scams, treat the mailbox as two separate problems: opt out of legal-but-predatory companies and charities, and report…

Jun 6, 2026 · 14 min read
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Perspectives

Perspectives on Junk Mail

Editorial reflections on junk mail, culture, sustainability, and the mailbox.

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Perspectives

Better Robots Won’t Fix Recycling. So What To Do with Junk Mail?

For junk mail, it is better to reduce it than to recycle it. Smarter sorting robots can identify almost anything on a conveyor belt,…

Jun 11, 2026 · 7 min read
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Perspectives

7 Times Obscene Mail Scandalized America (and the Opt-Out Superpower It Left You)

Yes, you can stop obscene mail – i.e. mail you find sexually explicit. Under the Pandering Advertisements Statute (39 U. S. C. 3008), any…

May 29, 2026 · 7 min read
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Perspectives

USPS Junk Mail: Would Banning It Bankrupt the Postal Service?

No. Banning junk mail would not bankrupt the US Postal Service. Mostly because USPS is already losing money on a scale junk mail can’t…

May 28, 2026 · 9 min read
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Research

Junk Mail Research and Analysis

Original PaperKarma data, environmental analysis, industry decoders, and reporting.

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Research

How Junk Mail Impacts the Environment

Junk mail environmental impact: is it real? Yes, but beware of older, often repeated statistics: U.S. advertising mail used about 2.14 million tons of…

Jun 10, 2026 · 7 min read
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Research

What Actually Happens to Junk Mail You Recycle

Junk mail is recycled, but at a rate no household can verify and that official sources do not agree on. Industry puts the 2024…

Jun 9, 2026 · 7 min read
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Research

Why Retailers Ask for Your ZIP Code (and Where It Ends Up)

Retailers ask for your ZIP code at checkout primarily for marketing. Combined with the name on your credit card, a five-digit ZIP is often…

Apr 4, 2013 · 7 min read
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