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Course Outline

Introduction

  • Potential threats and challenges in email security.
  • Comparing self-hosted versus cloud-based email solutions.
  • Overview of RSPAMD, SpamAssassin, and DMARC.

RSPAMD Setup and Configuration

  • Installing RSPAMD.
  • Fundamental configuration steps.
  • Navigating the Web UI and monitoring tools.

SpamAssassin Integration

  • Installing SpamAssassin.
  • Configuring custom rules.
  • Implementing Bayesian filtering.

Email Authentication Protocols

  • Setting up SPF records.
  • Generating DKIM keys.
  • Configuring DNS for SPF and DKIM support.

DMARC Deployment

  • Understanding SPF and DKIM prerequisites.
  • Creating DMARC records.
  • Defining policies and monitoring results.

Advanced Filtering Techniques

  • Developing custom rules and scoring mechanisms.
  • Integrating blacklists and whitelists.
  • Configuring greylisting strategies.

Monitoring and Maintenance

  • Analyzing logs and generating reports.
  • Optimizing performance settings.
  • Troubleshooting common operational issues.

Summary and Next Steps

  • Recap of key concepts.
  • Best practices for sustained security.
  • Recommended resources and further reading.

Requirements

  • Proficiency in Linux system administration.
  • Foundational knowledge of DNS and email protocols (SMTP, IMAP, POP3).
  • Practical experience using command-line interfaces and text editors.

Target Audience

  • System administrators overseeing self-hosted email infrastructure.
  • IT professionals tasked with email security management.
  • Security engineers focused on deploying anti-spam solutions.
 14 Hours

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