. "Mail1Click Is a Secure email service, which uses encryption algorithm open source globally recognized as inviolable: TLS, RSA and AES.Mail1click generates an RSA key 4096 bits in length. A complete RSA key is composed from a Private Key and a Public Key. The private key is used to sign the messages sent and to decrypt the messages received by the key's owner."@en . "Mail1CLick"@en . .