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Answer:

Explanation:

Secure/Multipurpose Internet Mail Extensions, is a technology that permits you to encrypt your emails. S/MIME is based on asymmetric cryptography to protect your emails from unauthorized access. It also allows you to digitally sign your emails to verify you as the legitimate sender of the message, making it an effective weapon against many phishing attacks.

The four principal services presented by S/mime includes ;

Authentication, Non-repudiation of origin utilizing digital signatures, Message Integrity and message Privacy.

Principles act as a guard in any system. The four principal services offered by S/MIME are authentication, non-repudiation of origin, message integrity, and message privacy.

S/MIME are known to carry out cryptographic security services for electronic messaging applications. Their functions includes;

  • Authentication.
  • Message integrity.
  • Non-repudiation of origin (using digital signatures)
  • Privacy etc.

They make sure that an email message is sent by an authentic sender and gives encryption for incoming and outgoing messages.

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