How can digital certificates be used for secure email communication, and what are the advantages of this approach over traditional email?

Digital certificates can be used for secure email communication to ensure the confidentiality, integrity, and authenticity of email messages. Email messages are vulnerable to interception, modification, and impersonation, which can compromise the confidentiality and authenticity of the message and its attachments. By using digital certificates, email senders and receivers can establish a secure communication channel and verify each other's identity. To use digital certificates for secure email communication, both the sender and the recipient need to have a digital certificate issued by a trusted Certificate Authority (CA). The....