Can I link my own existing custom domain for OnMail? Jonathan April 27, 2021 06:48 Updated Yes, if you are on a Professional or Personal plan, you can link your own existing custom domain to OnMail. Related articles Can I sign up multiple email addresses with my custom domain? Can I create an email address with my own custom domain? Connecting My Custom Domain to Edison Mail If I import/add a custom domain to my OnMail account, what happens to my original OnMail email address? What happens to my custom domain if I downgrade from a paid plan to the free plan? Comments 0 comments Article is closed for comments.