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Mail Delivery Addon (Achievement Friendly)

Send items, packages, and letters between players on your server or realm. All through physical mailboxes, deposit boxes, and package boxes crafted and placed in the world.
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File Details
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Mail Delivery 1.0.0 (Updated)

ByJM_1775
  • R
  • Apr 9, 2026
  • 3.40 MB
  • 506
  • 26.10

File Name

JMMailDelivery_1_0_0.mcaddon

Supported Versions

  • 26.10
  • Fixed an item duplication bug when sending to a recipient with a full mailbox
  • Fixed item loss and duplication that could happen when mail or package storage filled up
  • Unclaimed sealed packages no longer lose their contents after sitting in your mailbox for a week
  • The mail delivery guide now retries if it fails to reach you on first join
  • Improved player search to allow players to be found or added by name, or via the new drop-down menu
  • Admins can now set up mailboxes for players more easily with a new admin-only menu that offers "Claim for Me" or "Grant Ownership" options
  • Admins who place a mailbox no longer automatically own it and will be prompted to claim or grant ownership on first open
  • Renamed the admin "Assign to Player" option to "Grant Ownership" and replaced the type-a-name field with the new player picker
  • Added a per-player send cooldown to prevent mail spam (configurable 0–60 seconds, default 3, admins always bypass)
  • Added a "Send cooldown" slider to the admin settings menu
  • Added distinct sounds for sending mail, claiming mail, and blocked or failed sends
  • Added a chime sound for new and claimed mail
  • Added a chime when logging in with waiting mail
  • Crafting recipes now unlock when you obtain a crafting table instead of always showing in the recipe book
  • Sealed packages now show clearer error messages when their contents can't be found
  • Removed unnecessary close buttons from top-level menus
  • Removed prev/next buttons from letters without multiple pages
  • Blacklisted items are now added through an inventory picker instead of requiring you to hold the item
  • Added a note to server broadcast letters stating that replies will not be seen
  • Added an unread marker to letters
  • Reworked UI text that previously relied on em dashes (—) to force Noto Sans font, since Minecraft 1.26.0 removed that behavior
  • Now requires Minecraft 1.26.0 or later (previously 1.21.90); the legacy Script API 1.x fallback has been removed
  • Various stability and reliability improvements under the hood