Secure E-mail

Introduction

Welcome to the Secure E-Mail Practice Lab. In this module you will be provided with the instructions and devices needed to develop your hands-on skills.

Learning Outcomes

In this module, you will complete the following exercises:

• Exercise 1 - Enable E-Mail Encryption

After completing this lab, you will be able to:

• Send and receive an encrypted e-mail message

Exam Objectives

The following exam objectives are covered in this lab:

• Understand encryption - mail encryption and signing and other uses

Lab Duration

It will take approximately 30 minutes to complete this lab.

Exercise 1 - Enable E-Mail Encryption

The Internet use Secure/Multipurpose Internet Mail Extensions (S/MIME) protocol for sending digitally signed and encrypted e-mail messages. With the use of certificates (keys) either self-signed or issued by a Certification Authority (CA), a user can sign a with a digital signature to prove that he is the author of the e-mail message, then use encryption to protect the message from being read by unintended recipients.

S/MIME provides cryptographic security services namely authentication, message integrity and non-repudiation of message origin.

Learning Outcomes

After completing this exercise, you will be able to:

• Send and receive an encrypted e-mail message