Make your email address and signature so it can not be mistaken for anything but a professional business.
Every once in a while I see something which makes me just ask WHAT??.
What will it take for you to treat your business like a business and not a hobby or something which exists purely to give you write-offs?
In setting up your business, one of the VERY first things you want to do is tell everyone about what you’re doing and the results you can bring your clients (just think of the referrals!).