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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Perspectives

Better Robots Won’t Fix Recycling. For Junk Mail, You Don’t Need Them To.

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
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 mai...

Jun 10, 2026 · 7 min read
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...

Jun 9, 2026 · 7 min read
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-predat...

Jun 6, 2026 · 14 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

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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Guides

How to Stop Catalogs in the Mail (and Why They Keep Coming Back)

To stop catalogs in the mail, ask each sender to remove your exact name and address. You have three routes, from most to least…

Jun 4, 2026 · 10 min read
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Guides

What Does PRSRT STD Mean on Your Mail?

PRSRT STD stands for Presorted Standard, the bulk advertising postage class that USPS now also calls USPS Marketing Mail. The sender pre-sorted the mailing…

Jun 3, 2026 · 6 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. For Junk Mail, You Don’t Need Them To.

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

Eye-opening post from the New York Times about why retailers ask for your zip code. Ask a merchant why they need your zip code,…

Apr 4, 2013 · 2 min read
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