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How to Secure a Mail Server Using Encryption

SSL (Secure Sockets Layer) and its descendant TLS (Transport Layer Security) are the most widely used protocols for encrypting data that is exchanged between a server and a client. These protocols often use X.509 certificates and asymmetric cryptography. STARTTTLS is another method of securing plain-text communication. This protocol also encrypts data with SSL or TLS, […]
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