Articles and how-to guides
Practical how-to guides for planning a mailing, and dated updates when USPS standards or prices change. Written by a USPS Full-Service Certified mail service provider, not repackaged from a press release.
USPS updates
What changed, and what it means
How-to
Planning a mailing, step by step
How to choose between EDDM and a targeted mailing list
EDDM saturates every address on a carrier route with no list. A targeted list reaches chosen people. The right answer depends on geography, piece size, and whether you need to reach specific households.
2026-07-10
How to prepare a mailing list for a bulk mailing
What a clean, mailable list actually needs before it can earn presort or automation prices, and the steps that get a raw file there.
Updated 2026-07-23
Looking for the standard itself?
The mailing guides cover the USPS rules behind these articles: mail classes, piece sizes, tabbing, addressing, EDDM, and drop shipment. Or ask the Mail Expert™ a question directly.
