Mail2Tor is a free anonymous e-mail service to protect your privacy. It is produced independently from The Tor Project. It allows anyone to send and receive email anonymously via webmail or with an email client. You will need to have the Tor browser installed on your computer to access Mail2Tor, or Orbot on your smartphone. You can also use email clients like P≡P over Imap for end to end encryption with others. To access the site, in your Tor browser visit this link: mail2tor2zyjdctd.onion
Shazzle Mail takes an entirely different approach to email. Instead of storing your email on their servers, your devices become the servers. ShazzleMail is a free private email application that turns your smart phone or computers into a mail server, delivering your messages directly to your receiver via an SSL encrypted channel with no server copies. Not even Shazzle gets a copy. You can also send private email to anyone on your contacts. It works with iOS and Android devices AND on a PC or Mac laptop/desktop. No apps available for this service.
Invmail is a secure zero-knowledge communications platform, offering services such as e-mail, video/voice calling, messaging capabilities. Data-servers are located in Switzerland, email uses 4096 bit End-to-End Encryption with PKI. Invmail offers free email with the option to upgrade for encrypted voice and messaging with more storage. No apps for this service.
Opensource end-to-end encrypted email service, allows for the use of personal encryption keys. Servers are currently located in the United States and will be offering servers elsewhere at some point. SCRYPTmail offers free email accounts with the option to upgrade for more storage. No apps for this service. Our review
Messages are stored on ProtonMail servers in encrypted format. They are also transmitted in encrypted format between their servers and user devices. Messages between ProtonMail users are also transmitted in encrypted form within our secure server network. Currently there is no support for PGP/GPG PKI but is on their future features list. Protonmail offers free email accounts and paid options. Android and iOS apps available.
CounterMail is a secure and easy to use online email service, designed to provide maximum security and privacy without any unnecessary complexity. Countermail uses OpenPGP, with 4096 bits encryption keys. Countermail is a paid service only. No apps for this service however you can use imap.
Tutanota automatically encrypts all your data on your device. Your emails as well as your contacts stay private. You can easily communicate with any of your friends end-to-end encrypted. Even subject and attachments as well as all your contacts are encrypted. Tutanota offers free email service with a minimal cost upgrade monthly option. Android and iOS apps available for his service.