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Fabric Mail

by BorisShoes

Fabric Mail lets players leave messages and items for other players, including those who are offline, and deliver them the next time those players log on.

FabricServer-side only OSL-3.01.21 – 26.3

What it does

Players send a message to a named player with a mail command. When the recipient is offline, the message waits in a mailbox and is delivered after they join. A message can also carry the item held in the sender's hand, so a parcel can be sent along with a note. Players open a graphical screen to read mail, list the mail they have received, and clear their mailbox.

Mail that has not yet been picked up by its recipient can be revoked, which is useful for retrieving a parcel sent to the wrong person. Each mail has an ID, and the commands for listing, revoking and deleting mail can be run by hand or triggered by clicking the ID shown when hovering over a mail message in chat. Server owners can cap the outbound parcels each player may send, keeping the number of items in transit within a set limit, and can switch on or off the console log that records each successful command.

Fabric Mail is a server-side only mod, so players join without installing it. It needs Fabric API on the server and is published for Fabric only, with builds for 1.21 – 26.3 across 10 release versions. The latest file is 2.2.0+26.3 for 26.3, dated 2026-09-16. The license is OSL-3.0, and the mod is not open source, though source code, an issue tracker and a wiki are public.

Key features

  1. Offline delivery

    Messages sent to players who are offline are held and delivered when the recipient logs on.

  2. Item parcels

    A sender can attach the item stack held in their hand, so the recipient receives the parcel with the message.

  3. Mailbox GUI

    An interactable screen lets players read their mail, list it and clear their mailbox.

  4. Revoking sent mail

    Mail that has not been collected can be revoked, which lets a sender retrieve a mistaken parcel.

  5. Outbound parcel limit

    Server owners can cap how many parcels each player may have outbound, discouraging use as storage for items.

Compatibility

Latest build for each game version and loader.

26.x3 of 3 versions with builds
26.32.2.0+26.3
26.22.2.0+26.2
26.12.2.0+26.1
1.21.x7 of 7 versions with builds
1.21.112.1.1+1.21.11
1.21.101.7.4+1.21.10
1.21.81.7.3+1.21.8
1.21.51.7.2+1.21.5
1.21.41.7.1+1.21.4
1.21.11.6+1.21.1
1.211.6+1.21.1
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required

How it compares

Full comparison

Group Chat is server-side only and published for 26.1 – 26.3 under All rights reserved, so it covers the same versions as Fabric Mail but focuses on chat rather than mailboxes. Offline Players is server required with an optional client, open source under the GNU Lesser General Public License v3.0 or later, and published for 1.20.1 – 1.21.1, so it targets older versions. Alien's Postal Service is a client and server mod for Fabric, Forge and NeoForge, with files for 26.2 – 26.3, and its license is All rights reserved.

ModLoadersGame versionsEnvironmentUpdated
Fabric MailFabric1.21 – 26.3Server-side only2026-09-16
Group ChatFabric26.1 – 26.3Server-side only2026-09-17
Offline PlayersFabric1.20.1 – 1.21.1Server required, client optional2025-07-16
Alien's Postal ServiceFabric, Forge and NeoForge26.2 – 26.3Client and server2026-10-03

Questions

Does Fabric Mail need to be installed on the client?

No. Players join without it, since only the server has to run the mod.

Which loader does Fabric Mail support?

Fabric is the only loader with published files. Fabric API is required and must also be installed on the server.

Can a sent message be taken back?

Yes, if the recipient has not yet collected it. The sender can revoke mail using its ID.

In the catalog

Fabric Mail is one of 5,392 Social mods on ModsFinder, and one of 4,084 Social mods for Fabric. 8,071 mods support Minecraft 26.3.

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What the author says

A simple server-sided mod that gives players the ability to send messages to offline players, that they will receive the next time they log on. Players can also include an item in their message to other players. Sends a message to the specified player and includes the item stack held in the sender's hand. *
BorisShoes, on the Modrinth page

Official listing

Owner
BorisShoes
Published
2024-06-27
Updated on Modrinth
2026-09-16
Facts verified
2026-10-15

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