SESA v3.1 – Securing Email with Cisco Email Security Appliance


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  • SESA v3.1 – Securing Email with Cisco Email Security Appliance
    4 days  (Instructor Led Online)  |  Network Security

    Course Details


    The Securing Email with Cisco Email Security Appliance (SESA) v3.1 course shows you how to deploy and use Cisco® Email Security Appliance to establish protection for your email systems against phishing, business email compromise, and ransomware, and to help streamline email security policy management. This hands-on course provides you with the knowledge and skills to implement, troubleshoot, and administer Cisco Email Security Appliance, including key capabilities such as advanced malware protection, spam blocking, anti-virus protection, outbreak filtering, encryption, quarantines, and data loss prevention.

    This course helps you prepare to take the exam, Securing Email with Cisco Email Security Appliance (300-720 SESA), which leads to CCNP® Security and the Certified Specialist – Email Content Security certifications.

    This class will help you

    • Deploy high-availability email protection against the dynamic, rapidly changing threats affecting your organization
    • Gain leading-edge career skills focused on enterprise security
    • Earn 24 Cisco CE credits toward recertification

    What to expect in the exam

    The 300-720 SESA exam certifies your knowledge of Cisco Email Security Appliance, including administration, spam control and anti-spam, message filters, data loss prevention, Lightweight Directory Access Protocol (LDAP), email authentication and encryption, and system quarantines and delivery methods.

    After you pass 300-720 SESA:

    • You earn the Cisco Certified Specialist – Email Content Security
    • You will have satisfied the concentration exam requirement for the new CCNP Security To complete your CCNP Security certification, pass the Implementing and Operating Cisco Security Core Technologies (350-701 SCOR) exam or its equivalent.


    After taking this course, you should be able to:

    • Describe and administer the Cisco Email Security Appliance (ESA)
    • Control sender and recipient domains
    • Control spam with Talos SenderBase and anti-spam
    • Use anti-virus and outbreak filters
    • Use mail policies
    • Use content filters
    • Use message filters to enforce email policies
    • Prevent data loss
    • Perform LDAP queries
    • Authenticate Simple Mail Transfer Protocol (SMTP) sessions
    • Authenticate email
    • Encrypt email
    • Use system quarantines and delivery methods
    • Perform centralized management using clusters
    • Test and troubleshoot


    Describing the Cisco Email Security Appliance

    • Cisco Email Security Appliance Overview
    • Technology Use Case
    • Cisco Email Security Appliance Data Sheet
    • SMTP Overview
    • Email Pipeline Overview
    • Installation Scenarios
    • Initial Cisco Email Security Appliance Configuration
    • Centralizing Services on a Cisco Content Security Management Appliance (SMA)
    • Release Notes for AsyncOS 11.x

    Administering the Cisco Email Security Appliance

    • Distributing Administrative Tasks
    • System Administration
    • Managing and Monitoring Using the Command Line Interface (CLI)
    • Other Tasks in the GUI
    • Advanced Network Configuration
    • Using Email Security Monitor
    • Tracking Messages
    • Logging

    Controlling Sender and Recipient Domains

    • Public and Private Listeners
    • Configuring the Gateway to Receive Email
    • Host Access Table Overview
    • Recipient Access Table Overview
    • Configuring Routing and Delivery Features

    Controlling Spam with Talos SenderBase and Anti-Spam

    • SenderBase Overview
    • Anti-Spam
    • Managing Graymail
    • Protecting Against Malicious or Undesirable URLs
    • File Reputation Filtering and File Analysis
    • Bounce Verification

    Using Anti-Virus and Outbreak Filters

    • Anti-Virus Scanning Overview
    • Sophos Anti-Virus Filtering
    • McAfee Anti-Virus Filtering
    • Configuring the Appliance to Scan for Viruses
    • Outbreak Filters
    • How the Outbreak Filters Feature Works
    • Managing Outbreak Filters

    Using Mail Policies

    • Email Security Manager Overview
    • Mail Policies Overview
    • Handling Incoming and Outgoing Messages Differently
    • Matching Users to a Mail Policy
    • Message Splintering
    • Configuring Mail Policies

    Using Content Filters

    • Content Filters Overview
    • Content Filter Conditions
    • Content Filter Actions
    • Filter Messages Based on Content
    • Text Resources Overview
    • Using and Testing the Content Dictionaries Filter Rules
    • Understanding Text Resources
    • Text Resource Management
    • Using Text Resources

    Using Message Filters to Enforce Email Policies

    • Message Filters Overview
    • Components of a Message Filter
    • Message Filter Processing
    • Message Filter Rules
    • Message Filter Actions
    • Attachment Scanning
    • Examples of Attachment Scanning Message Filters
    • Using the CLI to Manage Message Filters
    • Message Filter Examples
    • Configuring Scan Behavior

    Preventing Data Loss

    • Overview of the Data Loss Prevention (DLP) Scanning Process
    • Setting Up Data Loss Prevention
    • Policies for Data Loss Prevention
    • Message Actions
    • Updating the DLP Engine and Content Matching Classifiers

    Using LDAP

    • Overview of LDAP
    • Working with LDAP
    • Using LDAP Queries
    • Authenticating End-Users of the Spam Quarantine
    • Configuring External LDAP Authentication for Users
    • Testing Servers and Queries
    • Using LDAP for Directory Harvest Attack Prevention
    • Spam Quarantine Alias Consolidation Queries
    • Validating Recipients Using an SMTP Server

    SMTP Session Authentication

    • Configuring AsyncOS for SMTP Authentication
    • Authenticating SMTP Sessions Using Client Certificates
    • Checking the Validity of a Client Certificate
    • Authenticating User Using LDAP Directory
    • Authenticating SMTP Connection Over Transport Layer Security (TLS) Using a Client Certificate
    • Establishing a TLS Connection from the Appliance
    • Updating a List of Revoked Certificates

    Email Authentication

    • Email Authentication Overview
    • Configuring DomainKeys and DomainKeys Identified Mail (DKIM) Signing
    • Verifying Incoming Messages Using DKIM
    • Overview of Sender Policy Framework (SPF) and SIDF Verification
    • Domain-based Message Authentication Reporting and Conformance (DMARC) Verification
    • Forged Email Detection

    Email Encryption

    • Overview of Cisco Email Encryption
    • Encrypting Messages
    • Determining Which Messages to Encrypt
    • Inserting Encryption Headers into Messages
    • Encrypting Communication with Other Message Transfer Agents (MTAs)
    • Working with Certificates
    • Managing Lists of Certificate Authorities
    • Enabling TLS on a Listener’s Host Access Table (HAT)
    • Enabling TLS and Certificate Verification on Delivery
    • Secure/Multipurpose Internet Mail Extensions (S/MIME) Security Services

    Using System Quarantines and Delivery Methods

    • Describing Quarantines
    • Spam Quarantine
    • Setting Up the Centralized Spam Quarantine
    • Using Safelists and Blocklists to Control Email Delivery Based on Sender
    • Configuring Spam Management Features for End Users
    • Managing Messages in the Spam Quarantine
    • Policy, Virus, and Outbreak Quarantines
    • Managing Policy, Virus, and Outbreak Quarantines
    • Working with Messages in Policy, Virus, or Outbreak Quarantines
    • Delivery Methods

    Centralized Management Using Clusters

    • Overview of Centralized Management Using Clusters
    • Cluster Organization
    • Creating and Joining a Cluster
    • Managing Clusters
    • Cluster Communication
    • Loading a Configuration in Clustered Appliances
    • Best Practices

    Testing and Troubleshooting

    • Debugging Mail Flow Using Test Messages: Trace
    • Using the Listener to Test the Appliance
    • Troubleshooting the Network
    • Troubleshooting the Listener
    • Troubleshooting Email Delivery
    • Troubleshooting Performance
    • Web Interface Appearance and Rendering Issues
    • Responding to Alerts
    • Troubleshooting Hardware Issues
    • Working with Technical Support


    • Model Specifications for Large Enterprises
    • Model Specifications for Midsize Enterprises and Small-to-Midsize Enterprises or Branch Offices
    • Cisco Email Security Appliance Model Specifications for Virtual Appliances
    • Packages and Licenses

    Lab outline

    • Verify and Test the Cisco ESA Configuration
    • Perform Basic Administration
    • Advanced Malware in Attachments (Macro Detection)
    • Protect Against Malicious or Undesirable URLs Beneath Shortened URLs
    • Protect Against Malicious or Undesirable URLs Inside Attachments
    • Intelligently Handle Unscannable Messages
    • Leverage AMP Cloud Intelligence Via Pre-Classification Enhancement
    • Integrate Cisco ESA with AMP Console
    • Prevent Threats with Anti-Virus Protection
    • Applying Content and Outbreak Filters
    • Configure Attachment Scanning
    • Configure Outbound Data Loss Prevention
    • Integrate Cisco ESA with LDAP and Enable the LDAP to Accept Query
    • Domain Keys Identified Mail (DKIM)
    • Sender Policy Framework (SPF)
    • Forged Email Detection
    • Configure the Cisco SMA for Tracking and Reporting


    • Security engineers
    • Security administrators
    • Security architects
    • Operations engineers
    • Network engineers
    • Network administrators
    • Network or security technicians
    • Network managers
    • System designers
    • Cisco integrators and partners


    To fully benefit from this course, you should have one or more of the following basic technical competencies:

    • Cisco certification (Cisco CCENT® certification or higher)
    • Relevant industry certification, such as (ISC)2, CompTIA Security+, EC-Council, Global Information Assurance Certification (GIAC), and ISACA
    • Cisco Networking Academy letter of completion (CCNA® 1 and CCNA 2)
    • Windows expertise: Microsoft [Microsoft Specialist, Microsoft Certified Solutions Associate (MCSA), Microsoft Certified Systems Engineer (MCSE)], CompTIA (A+, Network+, Server+)

    The knowledge and skills that a student must have before attending this course are:

    • TCP/IP services, including Domain Name System (DNS), Secure Shell (SSH), FTP, Simple Network Management Protocol (SNMP), HTTP, and HTTPS
    • Experience with IP routing