If you're using the app: Go to your profile at the bottom right, tap the ⚙️ icon in the top-right corner, then select Email settings.
If you're on a browser: Click your profile picture in the top right corner, go to Settings, and then open your Email settings.
This will have immediate effect. In other words, all transactions that are on-going will be continued through the new address you've indicated. Make sure to alert your buyers or sellers if you have direct contact with them to avoid any ghosting.
We will send a confirmation email on your previous address to let you know the change has been registered.
Login email vs profile email
The email address used to sign in with Google or Apple can be different from the email address shown on your marko profile.
So depending on your account setup, a social login may be connected automatically or require confirmation before it is linked to your account. You can manage your connected login methods directly in your Settings.