Postmester

Automatically sends a customizable party message after completing a Mythic+ dungeon.

Replies to Mythic+ key requests in chat with Norwegian dungeon names and your real clickable keystone link.

Automatically sends a customizable greeting when you join a party.

Provides information about your alts

Postal: Enhanced Mailbox support

MerathilisUI is a decorative AddOn for ElvUI.

The original AH AddOn

Shows your purchases/sales on the AH, crafting orders, vendored items, quest rewards, loot pickups and mails

Bulk mail sending made really easy

Bulk mail reception made really easy

Alt Collection Management

MailMatic greets you with an on-screen pop-up and a sound the moment new mail arrives, including at login. Per-race, per-gender voice lines, a wax-sealed envelope icon, and adjustable text, position, and timing. Fully localized. /mailmatic to set up.

A gold tracking addon that displays your gold, tracks session earnings/expenditures and shows gold totals across all your characters with customisation options and mailing features with ElvUI and Titan Panel support.

EasyMail from Cosmos

Open all your mail