[freetanga]

Just pay for one which sees you as a client, not eyeballs. Enable pop3 or redirect on old account. Change as many web sites as possible.

Bonus point if you get your own domain. Bitwarden and others allow creation of individual users on the fly on your domain, while a catchall on the email server collects this.

[itake]

none of what you listed is 'free'. it requires time to create a new email, configuration, and learning how to use new tools.