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Course Outline

Introduction

  • Common email security threats and challenges
  • Comparing self-hosted and cloud email solutions
  • Overview of RSPAMD, SpamAssassin, and DMARC

RSPAMD Setup and Configuration

  • Installing RSPAMD
  • Initial configuration
  • Using the Web UI and monitoring tools

SpamAssassin Integration

  • Installing SpamAssassin
  • Configuring rules
  • Implementing Bayesian filtering

Email Authentication Protocols

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

DMARC Deployment

  • Prerequisites: SPF and DKIM
  • Creating DMARC records
  • Configuring and monitoring policies

Advanced Filtering Techniques

  • Custom rules and scoring systems
  • Integrating blacklists and whitelists
  • Configuring greylisting

Monitoring and Maintenance

  • Analyzing logs and generating reports
  • Optimizing performance
  • Troubleshooting common issues

Summary and Next Steps

  • Review of key concepts
  • Best practices for ongoing security
  • Recommended resources and further reading

Requirements

  • Knowledge of Linux system administration
  • Foundational understanding of DNS and email protocols (SMTP, IMAP, POP3)
  • Proficiency with command-line tools and text editors

Target Audience

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

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