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Course Outline

Introduction

  • Email security threats and challenges
  • Comparison between self-hosted and cloud email solutions
  • Overview of RSPAMD, SpamAssassin, and DMARC

RSPAMD Setup and Configuration

  • Installing RSPAMD
  • Basic configuration steps
  • Utilizing the Web UI for monitoring

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
  • Policy configuration and monitoring

Advanced Filtering Techniques

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

Monitoring and Maintenance

  • Log analysis and reporting
  • Performance tuning
  • Troubleshooting common issues

Summary and Next Steps

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

Requirements

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

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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