Why am I banned?

[Appleormac! (without !)]

Dear Sir/Madam,

Today I made my first Sythe Account.

I posted my runescape account which I sell.

After 15 minutes I was banned.

What is the reason of the ban?

I didn't do anything..

Thanks.

username: Appleormac

 

[n4n0]

Denied. Ban Evasion.