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Securing Email with Cisco Email Security Appliance

3 nap
440 000 Ft + ÁFA
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What you’ll learn in this course

The Securing Email with Cisco Email Security Appliance (SESA) v3.0 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.


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
    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
        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 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 Accept Query
    Domain Keys Identified Mail (DKIM)
    Sender Policy Framework (SPF)
    Forged Email Detection
    Configure the Cisco SMA for Tracking and Reporting

Kinek ajánljuk


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

Cisco learning offerings that contribute to recommended skills and knowledge:

    Email Security Training resources


  • Securing Email with Cisco Email Security Appliance (SESA) (300-720)

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