Deploying the ESA and Placing It in the Email Path

ESA Overview

  • Placing the ESA in the Email Path

  • The MX record for Globomantics needs to be updated to point to the ESA’s public facing IP

  • Configured on-premises

    • Physical

    • Virtual

  • Configured in the cloud (CES)

  • Built using AsyncOS

  • Designed to block:

    • Malicious content

    • SPAM

ESA Email Work Queue

Incoming Mail Flow Process

  • Receipt

    • Setting up SMTP connection

    • Sender’s reputation

    • Recipient domain

  • Work Queue

    • Message Filters

    • Anti-spam

    • Anti-virus

    • AMP

    • Graymail

    • Content Filters

    • Outbreak Filters

  • Delivery

    • Delivery to email server

Outgoing Flow Process

  • Receipt

    • Setting up SMTP connection

  • Work Queue

    • Message Filters

    • Anti-spam

    • Anti-virus

    • AMP

    • Graymail

    • Content Filters

    • Outbreak Filters

    • Data Loss Prevention

  • Delivery

    • Deliver to external email server

Email Security Deployment Options

  • Use CES to secure hosted email

  • Physical or virtual ESA

    • Physical - dedicated resources

    • Virtual - dynamic and quicker deployments

  • Number of interfaces

Initial Config and Licensing of the ESA

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  • MUA - Mail User Agent

    • Email client installed on user’s computer/phone

  • MTA - Mail Transfer Agent

    • Also called email server or Mail eXchanger (MX)

  • DNS is required for email to function properly.

    • MX and host records