AnonAddy provides an email forwarding service that keeps personal email addresses private.
DuckDuckGo Email Protection
DuckDuckGo Email Protection is a service within DuckDuckGo browser extension that allows you to generate @duck.com forwarding email addresses to mask your personal email address. It automatically removes trackers in the forwarded emails to protect your privacy online.
Firefox Relay provides disposable unique forwarding email addresses to help users mask their personal email addresses on e-commerce sites, social networking platforms, sign-up forms, and more.
SimpleLogin is an email forwarding service that keeps your personal email address private.