2,450 mail armor items
The Forever catalog holds 2,450 mail armor items, topping out at item level 98 with Dawnstalker Belt, Dawnstalker Boots, Dawnstalker Breastplate. Every armor piece in the World of Warcraft: Forever catalog, the Classic Era pieces and the ones Forever adds: cloth, leather, mail, and plate across every slot, plus shields and off-hands. Sorted by item level; filter by armor type. Each item page holds the tooltip, the vendor value, and the auction house price on every market once scans arrive.
By quality: 821 uncommon, 729 rare, 680 epic, 150 common, 70 poor. Item levels run from 1 to 98, for characters from level 1 to 60. 3 require a level above the cap of 60: leftovers from later expansions that the game still carries, listed here because they are in its tables. 601 bind when picked up and never reach the auction house; 1,849 can be listed.
The highest item levels here: Dawnstalker Belt (98), Dawnstalker Boots (98), Dawnstalker Breastplate (98), Dawnstalker Gauntlets (98).
Professions make 318 of them: Blacksmithing (170), Leatherworking (145), Engineering (3). The rest drop, are sold by vendors, or come from quests.
Source: World of Warcraft: Forever game data and Blizzard's Game Data API. Updated with each game build.