Your email address should be an asset, not a liability. But, if you're using a Yahoo, AOL, Hotmail or personal Gmail email address to conduct business, you may very well be hurting your company's credibility in the eyes of potential clients. Everything about your company, including that email address, is part of your brand and helps form an impression. So how exactly does a personal email address work against you?
Read on... https://burlingtonpress.com/2016/11/03/is-a-personal-email-address-destroying-your-credibility/