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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
  • Basic configuration steps
  • Web UI access and monitoring capabilities

SpamAssassin Integration

  • Installing SpamAssassin
  • Configuring rules
  • Implementing Bayesian filtering

Email Authentication Protocols

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

DMARC Deployment

  • Prerequisites regarding SPF and DKIM
  • Creating DMARC records
  • Policy configuration and monitoring

Advanced Filtering Techniques

  • Developing custom rules and scoring systems
  • Integrating blacklists and whitelists
  • Configuring greylisting

Monitoring and Maintenance

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

Summary and Next Steps

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

Requirements

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

Audience

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

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