https://addons.opera.com/en/extensions/details/trashmailcom-create-disposable-address/
Create free disposable email address which forward emails to your real email address to protect you against spam and newsletters. This Add-On uses the free...
add onstrashmailcomcreatedisposable
https://trashmail.com/
Post-quantum encrypted mailbox with unlimited email aliases. Zero-knowledge architecture - nobody can read your emails, not even us.
email aliasestrashmailencryptedmailbox