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ProtonMail offers encrypted email, which makes it virtually impossible for anyone to read it except the sender and the recipient.
Simple end-to-end encryption to secure email and attachments on Gmail, Outlook or any other email provider. Sets up in a few taps...
Encrypt and decrypt PGP files and text.
Protect your email from unauthorized viewing.
KryptoMail is a full-featured email client that lets you send and receive digitally signed and encrypted emails using PGP standard. It is...
Send, receive, and manage your e-mails.
Sign, verify, encrypt, and decrypt files and email.
Access multiple e-mail accounts, use comprehensive filtering, or protect your letters with internal PGP.
Send and receive encrypted secure mails.
OpenKeychain helps you communicate more privately and securely.