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Mailers+4

Place
#9 of 11
Score
4.5

The facts below are what the maker publishes about Mailers+4, checked and dated. Our editors have not written about it yet.

Plans and prices

From Mailers+4's own pricing page, checked 14 Nov 2026.

All about pricing
PlanPriceWhat it gives you
ProPriced on requestHigh volume · over 5,000 records per mailing · Call 1-800-MELISSA for pricing
StandardPriced on requestLower volume requirements · Call 1-800-MELISSA for pricing

The facts

Each one read from Mailers+4's own pages, with the date it was checked.

Money

14-day trial
A trial lets users try the full Professional features of MAILERS+4 for 14 days.checked 14 Nov 2026

What it does

Canada Post NCOA
It can update Canadian mover addresses using Canada Post NCOA data going back 72 months.checked 14 Nov 2026
Canada Post SERP
MAILERS+4 is Canada Post SERP Certified to verify and standardize Canadian addresses.checked 14 Nov 2026
CASS checks
Its USPS CASS Certified processing includes DPV, LACSLink, SuiteLink, and Vacant Table checks.checked 14 Nov 2026
Data expiration
The November 9, 2026 desktop release lists a database expiration date of January 31, 2027.checked 14 Nov 2026
Developer APIs
The Mailers+4 Developer Toolkit combines on-premise and web APIs for a fully automated mailing solution.checked 14 Nov 2026
Duplicate removal
Deduplication finds exact matches, sound-alikes, nicknames, initials, and abbreviations, and can household pieces to one address.checked 14 Nov 2026
IMB and Mail.dat
It produces Intelligent Mail barcodes for Full Service presort and automation rates and includes a free unique Mail.dat User License Code.checked 14 Nov 2026
PAVE Gold presort
It is USPS PAVE Gold certified to presort First-Class, Marketing Mail, and Periodicals and supplies the documentation to include with the mailing.checked 14 Nov 2026
RBDI included
Residential/Business Delivery Indicator is included at no extra cost so users can tell a residence from a business.checked 14 Nov 2026
Support
Melissa lists Mailers+4 support at [email protected] or 1-800-MELISSA (1-800-635-4772), and desktop releases are monthly.checked 14 Nov 2026
USPS NCOALink
It matches lists to the full USPS NCOALink file of over 160 million mover records covering 48 months.checked 14 Nov 2026
What it does
MAILERS+4 corrects, verifies, and standardizes U.S. and Canadian addresses, removes duplicates, runs NCOA change-of-address processing, and presorts bulk mail for postal discounts.checked 14 Nov 2026
Who it is for
Melissa offers mailing software for mailers sending hundreds of records or tens of millions per month or per year, with per-project and subscription pricing.checked 14 Nov 2026

Where it runs

Windows desktop
Mailers+4 Desktop runs on Windows only, while the related web option is used through a browser.checked 14 Nov 2026

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