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Best Direct Mail Newsletters in 2026

NewsletterFIT tracks 3 newsletters that cover Direct Mail as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Congress Letters (62K).

Updated Nov 13, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Congress Letters62K subscribers

    SubstackMonthly or less · last post 52 days ago

    Congress Letters is the only platform that sends real letters to Congress. From your couch to the desks of Congress. Be heard where it matters. Which side of history will you be on?

    Likely audience: gift buyers

  2. 2
    BatesLine newsletter on Substack—

    SubstackWeekly · last post 10 days ago

    Subscribe for e-mail notification of new content on BatesLine.com, featuring local politics and local history in Tulsa, Oklahoma, urban planning, western swing, Christian faith

    Likely audience: Oklahoma voters

  3. 3
    AHP Resource Roundup—

    LinkedInEvery two weeks · last post 25 days ago

    Learn on your own schedule with our curated collections of on-demand resources on healthcare philanthropy topics

    Likely audience: Nonprofit marketing directors

    Sponsors detected:

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