Recieved mail

Hello!
Recieved mail from sender Notiflcatlan with subject Gift to my charater Ragnesis on server Lordaeron stating that: "Dear player Lordaeron! the administration is grateful for the support of our project and in gratitude gives you 2500 gold and a chest of rare artifacts. I wanted to confirm that you have sended something like that or that is a spam? Mail is good to be opened for 2 days.
It has small brown pouch as attachment but it seems it asks that i need to have 2500g,

Waiting for response.

That's a scam. Well, maybe getting 6 slot bag for 2500g is worth for you, idk.

What does it mean, you can make account, scam, send gold to your main and it's all good? If it wouldn't pay off people wouldn't do it, right?