Steam Account Hacked

[tmes2000]

Hello its me Caree. I dont want to spam but i just have to say this and ask for help how i can fix it. Oke some few minutes ago i tried logg into my account i get that ''another computer is on your account'' Message. but thats not all.. i try to fix and then i go to my Email and i see a message who says : Dear bycaree,

This email message confirms that your Steam account contact email address has been successfully changed.
We are sending this notice to ensure the privacy and security of your Steam account. If you authorized this change, no further action is necessary. If you did not authorize this change, or if you need additional help with your account, please follow this link to the Steam Support site and submit a request for assistance.

And i have never done that .. why should i change my contact email .. this is why i think i have get hijecked as its just a few minutes ago i found it out i still thinks it and i need help from you guys how i can get it back, i will break if i wont get it back i have tried contact SteamSuport whit email but dont know if they check mails.
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Please help me out ;(
Im tired .. and if i dont get the account back i dunno.
-Caree

Just out curiosity how was the link spelled and what was the email of the sender?