I have forgot my pass word of ibrahimbdctg@gmail.com, how i have got its?

my pass word was before changing as 840515 after changing it was as 01816908053. Still i am not getting in my accesses.


i had got a mail from revralphmahoney@yahoo.co.uk to ibrahimbdctg@gmail.com. please find my password and inform as soon as possible.
I have forgot my pass word of ibrahimbdctg@gmail.com, how i have got its?
I'm sorry, but there's nobody here who can help you.