Sign into your account on app.plumbs.com. Select Profile from the My Account drop-down menu in the upper right hand corner of your browser.
Under Account Details, click Change Email. Enter your new email address in the two form fields that appear. Make sure everything is spelled correctly. This is the email address where you will receive important account notifications and renewal reminders. Click Save Changes to confirm.
You will receive an email at the new email address. Please click the link in that email to verify the change.