How to change my email on Anchor
In order to change the email in Anchor you should write to their support, firstname.lastname@example.org asking them to change the email associated with your RSS.
Usually, they answer in a few hours (typically 4, but it depends on the time zone).
Remember to change the email associated with your show with an email that you have access to, otherwise, you will not be able to receive the verification email.
Then you can just come back to gopod.me and claim again your podcast.