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Postal Manager version history - 2 versions

Postal Manager by Miami Mint

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Postal Manager version history - 2 versions

  • Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.

  • Latest version

    Version 3.1

    Released 30 Aug 2026 - 566.49 kB
    Works with firefox 109.0 and later
    What's New in Postal Manager Version 3.1:

    Full Cross-Browser Support: Complete feature and layout parity across Chrome and Firefox.
    Advanced Tracking: Added direct USPS IV-MTR live tracking and universal carrier lookup for eBay, USPS, FedEx, and UPS.
    Missing MID Warning: Added a safety prompt before printing to prevent accidental demo label mailings.
    Mailer ID Guide: Included step-by-step instructions and links for acquiring your free USPS Mailer ID.
    Shipping Log Upgrades: Track packages with one click directly from your history and export your entire log to a CSV file.
    UI Improvements: Upgraded the dark mode layout, resolved browser security blocks, and added direct support links.

    Source code released under All Rights Reserved

    Download Firefox and get the extension
    Download file

  • Older versions

    Version 1.0

    Released 26 Aug 2026 - 268.05 kB
    Works with firefox 109.0 and later

    Source code released under All Rights Reserved

    Download file