Mail-Box

✨ Features
    • 📮 Offline Delivery: Send items to both online and offline players seamlessly.
    • 🎒 Full Item Support: Supports all Minecraft items while preserving enchantments, custom names, lore,  NBT data, and Shulker Box contents.
     • 🖥️ GUI Pagination: (New) Mailboxes dynamically scale into multiple pages using navigation arrows if a player receives too many items.
     • 🕵️ Admin Spy Mode: (New) Server staff can easily inspect and clean out any player's mailbox using commands.
     • 🍀 Lucky Drops System: (New) Fully configurable chance to reward players with custom console commands (items, money, effects) when checking their mail.
     • 🔔 Join Notifications: Players are immediately notified in chat when they receive new mail upon logging into the server.
     • 💾 Lightweight Storage: Uses flat YAML files. Mail persists safely through server restarts with no complex database setups required!
     • ⚡ Highly Optimized: Designed with performance in mind for modern Minecraft servers.
 
🎮 Commands
   • /posta - Opens your personal mailbox GUI.
   • /posta spy <player> - Opens and manages another player's mailbox (Requires Admin permission).
   • /senditem <player> - Sends the item currently held in your hand to the specified player.

🔑 Permissions
   • offlinedelivery.mailbox - Allows players to open their own mailbox (Default: true)
   • offlinedelivery.send - Allows players to send deliveries to others (Default: true)
   • offlinedelivery.spy - Allows administrators to spy on and manage other mailboxes (Default: op)

📬 How it works
  1. Hold the item you want to give and type /senditem <player>.
  2. Place the items into the delivery GUI and confirm the dispatch.
  3. The items are safely saved into the plugin's data folder.
  4. The recipient gets a notification and can collect everything later by typing /posta.
  5. If the player has a massive amount of mail, they can simply flip through pages using the arrows at the bottom row of the GUI.

🧩 Compatibility
   • Server Software: Paper, Spigot, Bukkit (1.21.11+)
   • Java Version: Java 21+

❤️ Why OfflineDelivery?
OfflineDelivery provides a simple, secure, and highly reliable way for friends and community members to exchange items without needing to be online at the same time. It is the perfect addition for Survival servers, SMPs, and private communities that want a clean mail system with built-in administration control and engaging reward mechanics.