Проверьте, пожалуйста, фразу (англ.)

Вот вам еще варианты, если не устраивает первый:

Could you, please, give me (provide me with) Mr.___'s email address?

May I, please, get Mr___'s email address from you?

Would you be willing to provide me with (give me) Mr.___'s email address?

Give me the damn email address for Mr. whatever-his-name-is, now. :-D