ProtonMail is an encrypted mailbox, which offer end-to-end encryption of your emails.
iCloud+, the Apple Cloud that includes VPN and disposable email, reserved for paid plans without price increase.
Criteria and review of free encrypted and secure anonymous webmails: CTemplar vs ProtonMail vs MailFence vs Tutanota
The ik.me mail service, free for life with 20 GB, without ads, without scanning your mails/PJ, hosted in Switzerland is an excellent alternative to GAFAM
CTemplar is an encrypted totally anonymous mailbox, with no-log policy, much more safer than proton and tutanota
5 best free mailbox to receive temporary, secure, anonymous, free, and disposable emails.