Mailing Intelligence Center™
Answers, tools, and USPS standards in one place
Ask a mailing question and get a straight answer, run your list and artwork through free tools, or read the USPS standards behind both. Everything here is free and needs no sales call to start.
Four ways to use it
Ask
Plavidian Mail Expert™
Ask about tabbing, folds, piece sizes, postage eligibility, or EDDM and get an answer grounded in the USPS Domestic Mail Manual and the current Notice 123. No account needed to try it.
Run
Seven free mailing tools
Validate addresses, estimate postage, size a piece, generate an indicia, and plan a drop shipment in your browser. Included with every free account.
Learn
Articles and how-to guides
Step-by-step guides to planning a mailing, plus dated updates when USPS standards or prices change.
Read
USPS mailing guides
Plain-language guides to mail classes, piece sizes, tabbing, addressing, automation, EDDM, and drop shipment, written from the DMM.
Included with a free account
What each tool does
Mailing Analysis
Clean the list, price the mailing, and see where it drops.
In-Home Date Estimator
Work backward from the date that matters.
Piece Size Tool
Letter or flat, before it changes your postage.
Permit Imprint Generator
A correct indicia, ready to place.
Weight Calculator
Know the weight before the postage.
Address List Tool
Turn a messy list into a mailable one.
Drop Shipment Plan
See where the mail actually goes.
Get all seven free
Create an account and start planning today →
Ready to put it to work?
Create a free account for the full toolset, or send us the job and we will handle print, list processing, and mailing under one workflow.