MailBox Addon (26.x, 1.21) – Bedrock Essential Mod
Bedrock add-on listed for Minecraft 1.20–1.21 (behavior + resource pack). File opened and checked on 28 Sep 2026; installs from the MC Bedrock Mods app on Android.
⬇ Download
This addon revolutionizes player interaction in Minecraft, keeping you connected with friends whether they’re online or offline. MailBox Addon introduces an easy-to-use messaging system within Minecraft. With this add-on, you can effortlessly send and receive messages, even if the recipient is offline. Your messages are securely stored in your inbox, accessible whenever you need them. The outbox feature tracks all the messages you’ve sent, ensuring smooth and organized communication.
Features:
- Replying to messages is just as easy; everything you need is neatly packed into a single handbook. Whether you want to keep in touch with friends, share important updates, or just chat, the Mailbox Addon makes it possible.
Screenshots:
MailBox Addon Download Links
For Minecraft PE/Bedrock 1.21
mcaddon: Download from server 1 – Download from server 2
- Edition: Minecraft Bedrock
- File type: .mcpack or .mcaddon
- Minecraft version listed: 1.21
- How to install: Download the .mcpack or .mcaddon file. → Open it — Minecraft imports it. → In your world: Behavior Packs → Available → Activate, then the same under Resource Packs.
- Where to get it: In MCModsHub, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Bedrock addons & mods walks through it step by step.
- Pack type: .mcaddon — behaviour and resource pack in one file
- Manifest requires Minecraft 1.20.40 or newer
- Complete pack — everything it depends on is inside the file
- Download link checked 17 Jun 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.