Direct mail still lands when the size, the list, and the offer line up, and stumbles when any one of them is off. These guides cover building or renting a mailing list, EDDM rules, adding a QR code, and the postcard formats that clear USPS and actually get opened.
Postcard & Mailer Guides
Latest Postcard Mailer Guides
How to Build or Rent a Mailing List for Direct Mail
How to build or rent a mailing list for direct mail. Compare renting, buying, and building, then print addressed postcards at 4OVER4.COM.
Types of Direct Mail Advertising
Types of direct mail advertising: postcards, letters, brochures, catalogs, flyers, and EDDM. See which fits your campaign and print it at 4OVER4.COM.
How to Add a QR Code to Your Postcards
How to add a QR code to your postcards: sizing, placement, quiet zone, and print contrast rules so every scan works on the first try.
How To Create a Successful Direct Mail Campaign
How to create a successful direct mail campaign: set one goal and offer, build a targeted list, pick the right format, and track ROI at 4OVER4.COM.
How to Design a Postcard for Effective Direct Mail
How to design a postcard for mailing: the 10 conversion elements, USPS bleed and address specs, and EDDM sizing. Print direct mail at 4OVER4.COM.
Best Postcard Fonts and How to Choose Them
Best postcard fonts made simple: a 7-step method to pick type that reads at a glance, fits your brand, and prints clean. Order postcards at 4OVER4.COM.
All Postcard Mailer Guides
5 Quick Steps to Send Direct Mail Postcards
How to send direct mail postcards in 5 steps: set a goal and offer, design the card, build a clean list, address and sort, and choose a postage rate.
How to 4X Your Direct Mail Results
How to 4X your direct mail results with five data-backed tactics: mail more volume, tighten your list, retarget visitors, and reach the same people again.
How to Create Newsletters for Direct Mail
Plan, design, and print a direct mail newsletter that lands in the mailbox and gets read. Sizes, stocks, costs, and mailing options from 4OVER4.COM.
USPS EDDM Step-by-Step Guide to Sizes, Reviews and Costs
USPS EDDM made simple: what Every Door Direct Mail is, which businesses it fits, postage savings, qualifying postcard sizes, and real costs.
A Guide to Pairing Postcards and Envelope Sizes
Pair every standard postcard size with the right envelope: A2, A6, A7, and A9 matches, USPS size rules, and a clear postcard-to-envelope chart.
Popular EDDM Postcard Sizes and USPS Mailing Guidelines
The three most popular EDDM postcard sizes, the USPS size rules every mailer must clear, and how to pick the right size and mail it without a permit.
Postcards vs Greeting Cards, Which Should You Print?
Postcards or greeting cards? Compare format, postage, cost, and use cases, then print either one at 4OVER4.COM with premium stocks and finishes.
How to Address a Postcard for Fast, Error-Free Delivery
How to address a postcard correctly with proper formatting, placement, and postal rules. Avoid delivery errors and lost mail.
How to Address Save-the-Date Postcards
Address save-the-date postcards the right way: guest names and titles, the address layout, stamp placement, wording examples, and where to print.
What Is EDDM? Meaning, Cost & USPS Rules
What is EDDM? Learn how Every Door Direct Mail works: USPS rules, postcard sizes, route targeting, and real costs per piece. See if EDDM fits your campaign.
How to Address and Stamp a Postcard So It Actually Arrives
Where the address, stamp and message go on a postcard, which sizes qualify for postcard postage, and what changes when you mail a batch instead of one card.
