banned who do i need to contact?

hello after a while playing on my xbox one i returned yesterday to my forza 4 acount and found that i have bean banned i was given no reason or am aware of eny reason why this may be i only play in lobbies with frends nether pubs and haven’t used the online part of the game for 3 mounths odd now can enyone help at all?

bump?

Contact Turn 10 at forzafb@microsoft.com with full details including any other gamertags used on your console. You will receive and automated response, so have patience.