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 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.
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.
All Postcard Mailer Guides
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.
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.
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.
Church Postcard Marketing That Grows Sunday Attendance
Plan a church postcard mailing that fills seats: what to say, when to drop it, which list to use, the USPS size that costs least, and how to count who came.
Creative Postcard Printing Options From Perforation to Foil
Perforated tear-off coupons, die cuts, foil, spot UV, oversized formats and stock choices for postcards, with the postage and file trade-off behind each one.
Direct Mail Delivery Options for Political Mailings and Business Campaigns
EDDM, targeted lists, First-Class and USPS Marketing Mail compared, plus the Tag 57 and disclaimer rules that decide how a political mailer drops.
Direct Mail Design Best Practices That Lift Response Rates
Direct mail design rules that lift response: one offer per piece, a readable address panel, the USPS clear zones, and trim sizes chosen for the postage tier.
Direct Mail for Political Campaigns That Actually Reaches Voters
How campaigns run political direct mail: voter file lists versus EDDM, paid-for disclaimer rules, four-wave timing, and the specs and prices behind each drop.