
Envelope
Letters. Packages. And Pigeons to deliver them across the world.
Screenshots




About this Mod
Pigeon Mail
Letters, Packages, Deliveries and more...
Description in text form
Pigeon
Friendly creature, that can be found in mountain areas or near a village
- Likes seeds of various kind, and will happily follow someone if they have some
- Hunted by Wild Cats, Ocelots and Foxes
Pigeonhole
A cozy house for pigeons to rest inside of, and leave their, ehm... “byproducts”Letter
Good alternative to a book, if you don’t have much to sayJust keep it away from foxes...
Package
Slightly inconvenient (but pretty cheap) way to reduce inventory clutterConvenient for deliveries, though
Sealing
A way to ensure an author and integrity of a Letter or PackageMailbox
Entrypoint into the fascinating world of mail delivery- Every Mailbox in the overworld must have an address
- Connecting a Mailbox to the mail network costs 3 experience levels
- Stores received mail
- Allows sending mail
Address Tag
- Use the item to open Address Selection GUI
- All available addresses are shown
- Use on a mailable item in GUI to set the recipient
- Can be used on a Mailbox to change its address
Delivery
When mail and seeds are inserted into a Mailbox, its front hatch will open, allowing nearby Pigeons to pick mail up and start a delivery- Pigeons can deliver mail (and return to) unloaded chunks without issues
- Delivering Pigeons ascend high above the clouds to make traveling long distances more efficient, thus they can only be seen while nearby a Mailbox
Payback Tag
- Used on a mailable item to set the requested payback
- Anything that fits in the Package can be requested
Allows for a safe trade of items:
- Transaction will be handled by Mail Service
- Buyer receives Payback Box for the payment
- Mail will be kept in storage untill the buyer pays for it
- If buyer does not pay in time - mail will be returned back to sender
Services
Virtual addresses that can receive mail and perform various actions- Includes mail crafting system and recipes
- Extendable by datapacks, addons or KubeJS scripts
The mod is not finished yet
Currently planned features include:
Worldgen - structures, loot in chests, etc
General polishing - advancements, stats, improvements, etc
Exposure integration
Feedback needed!
Cool ideas and suggestions are always welcome! Especially if they are clearly presented and well argued.
Or maybe something is not right? Let me know through discord or dms.
Enjoying the mod? Your support would allow me to continue working on it and on other mods!
Available Versions
How to Install Envelope on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Envelope". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Envelope server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is Envelope compatible with fabric and neoforge?
Envelope officially supports fabric, neoforge for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Envelope – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Envelope consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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