Dark Monitoring a Closed Email Address

How do I stop dark monitoring of an email address that I closed over a year ago on Yahoo? I use the Dark Monitoring subscription on Norton 360 for Mac. Operating system: Mojave 10.14.6

 

Update your financial accounts, mailing address, and other personal information for Dark Web Monitoring
https://support.norton.com/sp/en/us/home/current/solutions/v126234485

Please visit your Norton account dashboard (scroll page)
https://my.norton.com/extspa/dashboard/Home

Included Protection => Dark Web Monitoring => Protect More Info => Email => Update  Remove