Can I change my OnMail address after it's been created? Jonathan September 04, 2020 00:41 Updated Once you have created an email address with an OnMail account, it cannot be changed. However, you can create a new account. Related articles Connecting My Custom Domain to Edison Mail How do I connect my OnMail address to a third-party email app? Can I downgrade from a paid OnMail plan to a free plan? On which devices can I use OnMail? What is Edison’s business model? Comments 0 comments Article is closed for comments.