I also wrote a similar (shorter) article a few months ago after a customer complained that they received a phishing email from me: https://www.uxwizz.com/blog/

I also wrote a similar (shorter) article a few months ago after a customer complained that they received a phishing email from me: https://www.uxwizz.com/blog/stop-others-use-your-domain-emails https://www.uxwizz.com/blog/stop-others-use-your-domain-emai...