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Course Outline

Introduction

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

RSPAMD Setup and Configuration

  • Installing RSPAMD
  • Initial configuration steps
  • Utilizing the Web UI and monitoring tools

SpamAssassin Integration

  • Installing SpamAssassin
  • Configuring rules
  • Bayesian filtering techniques

Email Authentication Protocols

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

DMARC Deployment

  • Prerequisites for SPF and DKIM
  • Creating DMARC records
  • Configuring policies and monitoring adherence

Advanced Filtering Techniques

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

Monitoring and Maintenance

  • Analyzing logs and generating reports
  • Tuning performance
  • Troubleshooting frequent issues

Summary and Next Steps

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

Requirements

  • Proficiency in Linux system administration
  • Fundamental comprehension of DNS and email protocols (SMTP, IMAP, POP3)
  • Experience utilizing 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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