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Achievement: Post Haste

Category: Legion

Binds when picked up
Use: Teaches you how to summon this companion.
Want it Want it | Got it | Exclude — Community: 1.4% have it
Neutral Neutral
Idles about.
Vocalizations (on-click)
1 allowed
Patch 7.3.5 | Posted: January 15, 2018
To earn this pet, players must first complete a quest chain that involves delivering mail, starting with the quest "Lost Mail". This quest can be obtained by looting a BoP letter on the ground next to a mailbox in Dalaran (Broken Isles). Alternatively, players that have completed the full quest chain will receive a Bind On Use quest item that can be traded to other players (à la Brawler's Guild invitation)

The quest chain will take players to the Postmaster's Office, as well as other zones on Azeroth. Check out Wowhead's full walk-through of the quests.

Toward the end of the quest chain a mini-game is unlocked where players must sort mail into tubes. Players can speak with the Postmaster to start additional mini-game sessions even after the quest "The Mail Must Flow" has been completed. Earning the achievement "Post Haste" will award the pet.

The Mailemental was likely inspired by a player suggestion on the official Pet Battle forums.
Level 0: Health 0Power 0Speed 0
Requires Pet Level: 1

200% Hit Chance 


Throws a package at the enemy, dealing 354 Humanoid damage.

Vs. Dragonkin

Vs. Beast
Requires Pet Level: 10

100% Hit Chance 


Deals 295 Humanoid damage.


This ability always goes first.

Vs. Dragonkin

Vs. Beast
4 Round Cooldown
Requires Pet Level: 2

100% Hit Chance 


Builds up power during the first round.


The next round the user charges the enemy with unstoppable force, dealing 985 Critter damage.

Vs. Undead

Vs. Humanoid
Requires Pet Level: 15

100% Hit Chance 


Starts an avalanche of mail, causing 177 Humanoid damage on the first round, 295 Humanoid on the second round, and 413 Humanoid on the third round.


Opponents struck by the mail take 50% increased damage for 2 rounds.


Junk Mail continues for 3 rounds.

Vs. Dragonkin

Vs. Beast
5 Round Cooldown
Requires Pet Level: 4

100% Hit Chance 


Deals 394 Magic damage and forces an opponent's pet to swap into battle.

1 Round Cooldown
Requires Pet Level: 20

100% Hit Chance 


Go into a frenzy, dealing 295 Humanoid damage and increasing the damage you deal by 25% for 3 rounds.

Vs. Dragonkin

Vs. Beast


Magic pets cannot be dealt more than 35% of their maximum health in one attack.


Damage Taken 

50% from Dragonkin abilities

33% from Aquatic abilities

1-8 of 8
Rating: 0   [Report]

I started this quest got to the mail room and decided to take a break. Well that was several years ago.  Any suggestions? I got it!

Jan 25, 2024 at 11:18am | Edits: 1 | Thrall-us | Pets: 1582 Compare collections | Score: 12649
Rating: 0   [Report]

Did not know this pet even existed, until some kind stranger announced in general chat @ Dalaran that there was Lost Mail in x location which would lead to x questline and x rewards. Bless the WoW community. :)


Contrary to the previous poster, I only used the Legion Dalaran hearthstone, not the Azsuna portal.

May 23, 2021 at 8:26pm | Edits: 0 | Shattered Hand-us | Pets: 869 Compare collections | Score: 5606
Rating: 0   [Report]

Can this still be obtained in BFA patch 8.3+? cause i just picked up the lost mail quest but i cant seem to finish it since Madam Goya isnt in the underbelly nor gives me any dialogue options in Zuldazar.


UPDATE: Nevermind guys, apparently she doesnt show up if you use the Dalaran Hearthstone to Legion Dalaran. You have to take the Azsuna portal and then proceed to fly to Dalaran for her to spawn. At least thats what i had to do.

Jun 12, 2020 at 2:04pm | Edits: 1 | Kael'thas-us | Pets: 0 Compare collections | Score: 0
Rating: 0   [Report]

Found the letter last night. Smaller than I thought it would be but still very evident beside the mailbox. Check your mail after and you’ll have a letter to go see the Post Master. If you have trouble finding him like I did the entrance is really a tube going into the ground over in the cemetery you run through to get to the pet battle area in Dalaran.


Got my extra package if anyone needs it to start the quest.

Jul 10, 2018 at 9:32am | Edits: 1 | Frostwolf-us | Pets: 930 Compare collections | Score: 5479
Top RaterSweetdr0ps 
Rating: +7   [Report]

you can buy the boe version of "lost mail" from the AH that starts the chain and apparently you get another one at the end of the chain so, your basically renting it as you can re-sell the one you get at end of chain. If your impatient like me to wait around for 3 hours checking every mailbox ;) only cost me 10k on my server, worth it to me <3

Jan 26, 2018 at 12:23am | Edits: 1 | The Forgotten Coast-us | Pets: 1451 Compare collections | Score: 9089
Top RaterLittlerambo 
Rating: +9   [Report]

When you ask to start the mail game, you will eventually get 2 options to choose from, the second one says I want more of a chalenge. You can get the acheivment and the pet on the easier first one, I just did :)

Jan 20, 2018 at 1:44am | Edits: 0 | Aman'Thul-us | Pets: 1472 Compare collections | Score: 11470
Top RaterMarsaugustine 
Rating: +1   [Report]

A warning to those who start this quest line and have grinded rep with the Bloodsails in the past: if you are still hated with Gadgetzan, you will be unable to complete the quest line. At one point you have to speak to a Gadgetzan goblin to sell a certain item, and as I discovered myself, I could not interact with him. I sent in a ticket to see if this is intentional or not.


Edit: Grinded the rep back, and got the pet. The final achievement is a bit difficult but she is super cute! 

Jan 17, 2018 at 8:08pm | Edits: 1 | Echo Isles-us | Pets: 659 Compare collections | Score: 3403
Site MVPSilverthorn 
Rating: +3   [Report]

The spawn rate for the Lost Mail item seems to be about every 3 hours or so.

Jan 16, 2018 at 11:57pm | Edits: 0 | Staghelm-us | Pets: 1723 Compare collections | Score: 13781
1-8 of 8

The Postmaster is often described as esoteric, mystical, even inexplicable. For the precious little known about the enigmatic mail-master, perhaps none outside of the wax seal can confirm the existence of the fantastical letter-loving Mailemental.
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