MAILERS+4

MAILERS+4 is an easy-to-use desktop program designed to help prepare a mailing for maximum postal discounts and efficient postal processing and delivery.	Notices Known Issues 2021 Rates Patch - Coming Soon! (Please install the December 2020 update prior to the 2021 Rates Patch) New Rates Notice The new 2021 Rates go into effect January 24, 2021. Do NOT install the new rates unless you are finished mailings with the old rates.
Basics Benefits & Features MAILERS+4 Best Practices FAQ MAILERS+4 Tutorials MAILERS+4 Introduction Page TEM Testing Test Process for Mail.dat TEM Submission for Mail.dat	Documentation MAILERS+4 Reference Guide MAILERS+4 Quick Start Guide PAVE Certification CASS Certification Mailing Resources Standard Mail Guide Periodicals Guide Saturation Guide First Class Guide USPS Guides Quick Service Guide Business Mail 101 Domestic Mailing Manual USPS 2020 Price List Result Codes Mailers+4 Result Codes