Mail approved U.S. letters, Certified Mail and postcards; cover sheets and email-to-mail automation.
Free
2 servers across marketing, seo & social and communication & collaboration. The largest is DirectMailAmerica — Full.
Marketing, SEO & Social · Communication & Collaboration
Mail approved U.S. letters, Certified Mail and postcards; cover sheets and email-to-mail automation.
Quote, preview and approve U.S. letters and postcards; edit cover sheets and inspect mailing status.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.