IS SHELL LOTTERY PROMO A SCAM?

I've never played any lottery in my life and I wonder why dis so called shell company is disturbing my emotional stability by sending congratulatory message into my email being d second time. I don't even know where they get my email add. House! Abeg make una help me b'cos awoof dey tear pocket ooo. Or anyone wit dis message?

U better run from them they are 419,shell doesn't organise any lottery.

@ABBAZ, please be wise. Do not fall a victim.