Most regular, free email accounts are fine for average users, but if you need to be ultra-confident the messages you send and receive are 100% protected, check out the secure email services below. These services are all accessible via the Tor browser and provide an easy way to keep emails private, with guaranteed secure, encrypted email.
Note: Always remember that you will not have a clue about who the administrators are. It might be the NSA, a scammer, someone without technical competence or someone wonderful who really cares about your privacy. Trust nobody, email messages should always be encrypted using your own private encryption keys.
With servers in Switzerland (a country that appreciates secrecy), ProtonMail provides fully encrypted messages. Anyone can get a free account that holds 500MB of data and up to 150 messages per day, or pay 4 euros per month to get advanced features like five addresses each with 5GB storage for up to 1,000 messages per day, and support for ephemeral messages that disappear after a time period you set.
ProtonMail accepts payments via credit card, PayPal and bitcoin.
Onion address: protonirockerxow.onion
With personal data encrypted in the server and end to end encryption, it has the option to permanently delete the account in case of an emergency. Signing up with Elude.in only requires you to pick a username and a password, the service is free but making a donation will increase your inbox quota and number of aliases. Donations can be made with bitcoin or monero.
Elude.in also comes with a built in wallet service that allows users to deposit, exchange, and withdraw bitcoin and monero freely. All bitcoin that is deposited is automatically added to a bitcoin mixer to protect user privacy. No personal information is required to open an account.
Onion address: eludemaillhqfkh5.onion
Germany-based Tutanota is so secure, it even encrypts subject lines and contacts. A free plan for private use comes with 1GB of storage, but you can upgrade for 12 to 60 euros per year, depending on your needs. Tutanota also accepts Bitcoin, Bitcoin Cash, Ether and Monerod.
Premium features include aliases, inbox rules, support, more storage, custom domains, logos (on the high-end version), and more. It’s limited to the Tutanota domain, but there are apps for iOS and Android.
Address (accessible through Tor): https://tutanota.com
Secmail.Pro is a free email provider with anonymous sign up and PGP encryption. The service is widely used by users on the darknet and can’t receive email from Gmail, Yahoo and other major providers as their servers are marked spam.
Onion address: sigaintevyh2rzvw.onion
Mial2Tor is a free, anonymous email service with webmail (SquirrelMail), POP3, IMAP and SMTP. It can send email to addresses out of the Tor network using relays, no important logs or emails are stored in any of those servers in case they are seized, they only contain Tor and mailing software. User data is stored encrypted in a hidden Tor node which IP is not known.
Onion address: mail2tor2zyjdctd.onion