If you're still using CAPS, visit this site to migrate to EPS.
All eligible products must migrate from CAPS to EPS effective April 1, 2019. All new accounts must be established through EPS effective October 1, 2018.
The Mailers Technical Advisory Committee is a committee of representatives from dozens of organizations representing all aspects of mail.
Calculate postage for any package, domestic or international.
Enter known address information and receive the full ZIP code information.
Find a Post Office station, Entry Unit, or other facility.
Search the Domestic Mail Manual and many other publications from one site.
Open an account and print postage from your computer.
Track and confirm packages.
MAIL Magazine is the Journal of Record for the Mail Communications Industry.
Magazine for mailing systems technology news and reviews.
Formerly Parcel Shipping & Distribution Magazine.
The official source for updates to policies, procedures, forms and operational information about the Postal Service.
Groups and Associations
The Direct Marketing Association is the leading global trade association of business and nonprofit organizations using and supporting multichannel direct marketing tools and techniques.
The national site for the PCC - find a PCC near you, learn about PCC operations, download the PCC Policy Manual - Publication 286.