Postcard & Mailer Guides

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How to 4X Your Direct Mail Results

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.

Marcus Chen
How to Create Newsletters for Direct Mail

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.

Marcus Chen
A Guide to Pairing Postcards and Envelope Sizes

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.

Marcus Chen
Postcards vs Greeting Cards, Which Should You Print?

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.

Marcus Chen
How to Address a Postcard for Fast, Error-Free Delivery

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.

Nadia Petrov
How to Address Save-the-Date Postcards

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.

Sofia Ramirez
What Is EDDM? Meaning, Cost & USPS Rules

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.

Marcus Chen
Church Postcard Marketing That Grows Sunday Attendance

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.

Marcus Chen
Creative Postcard Printing Options From Perforation to Foil

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.

Tobias Reed
Direct Mail Delivery Options for Political Mailings and Business Campaigns

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.

Marcus Chen
Direct Mail Design Best Practices That Lift Response Rates

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.

Sofia Ramirez
Direct Mail for Political Campaigns That Actually Reaches Voters

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.

Marcus Chen
Nadia Petrov
Nadia Petrov Customer Education Writer at 4OVER4.COM

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.

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