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.

Guides

How to Stop Junk Mail: Guides & Tactics

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

Read all guides
Guides

JCPenney catalog – useful or junk mail?

JCPenney Will launch a new catalog. They haven't sent one in six years. Is this a catalog choice for you? CBS Online video chats…

Apr 4, 2015 · 1 min read
Read article
Guides

How To Block Junk Mail For Good

Have you ever wondered if you can simply block all your postal junk mail? You can filter spam from your email accounts, restrict computer games and…

Nov 20, 2010 · 1 min read
Read article
Guides

Using Customer Numbers to Opt Out of Catalogs

Providing your account or customer number when opting out of catalogs is of high importance – as detailed in the below email responses we…

Nov 18, 2010 · 3 min read
Read article
Guides

Opt Out of Advo Flyers

What happened to ADVO? Well they got taken over by Valassis. You can opt out of ADVO flyers, RedPlum, RetailMeNot and all other Valassis…

Aug 11, 2008 · 1 min read
Read article
Research

Junk Mail Research and Analysis

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

Read all research
Research

Recycling Paper Junk Mail: What You Need to Know

Tossing paper junk mail in the recycling bin is pretty much second nature these days. Sorting through the ads and offers is annoying for…

Feb 12, 2021 · 5 min read
Read article
Research

How Junk Mail Impacts the Environment

It’s no mystery that junk mail has a terrible impact on the environment. Opening your mailbox to find it stuffed full of unwanted mail…

Oct 26, 2018 · 5 min read
Read article
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
Read article
Research

Junk Mail Address Label Codes, DeMystified

Recently we have been getting inquiries about what the address label codes and colored boxes mean on postal junk mail. In short, these address…

Nov 27, 2010 · 2 min read
Read article
Research

What is the ECRLOT code on my Address Label?

What is the ECRLOT code on my address label? Such a great question we got from one of our subscribers this week! The many…

Jul 18, 2007 · 2 min read
Read article
Research

The Truth about Victoria’s Secret Opt-outs

Victoria’s Secret Opt-Outs – Explained! We have been reading another junk mail service’s blog post entitled May Member Update from May 22nd about Victoria’s…

Jul 16, 2007 · 3 min read
Read article
Perspectives

Perspectives on Junk Mail

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

Read perspectives
Perspectives

Earth Day 2025 – Stop Junk Mail and Plant Trees

Earth Day 2025 Effort: Help us plant 1 million trees! Earth Day 2025 takes place on April 22. PaperKarma is launching its own Earth…

Apr 11, 2025 · 3 min read
Read article
Perspectives

How to Stop Junk Mail: I Get No Mail & It’s Glorious

I Get No Mail and It’s Glorious But it messes things up for the rest of the neighborhood A couple weeks ago, I stepped…

Aug 10, 2023 · 8 min read
Read article
Perspectives

Celebrate World Environment Day 2023

World Environment Day: Help us plant 1 million trees! World Environment Day is celebrated annually on June 5. This unique Day encourages awareness and…

May 31, 2023 · 4 min read
Read article
Perspectives

How Postal Mail Lost its Magic

Junk mail has destroyed the joy we once felt opening the mailbox in anticipation of receiving a letter.

Oct 10, 2018 · 3 min read
Read article
Perspectives

Discarding Junk Mail – What do you do?

Discarding Junk Mail. Do you shred all your junk mail?

Apr 18, 2015 · 2 min read
Read article