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Course Outline

Introduction

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

Setting Up and Configuring RSPAMD

  • RSPAMD installation process
  • Essential configuration steps
  • Utilizing the Web UI and monitoring tools

Integrating SpamAssassin

  • Installing SpamAssassin
  • Configuring filtering rules
  • Implementing Bayesian filtering

Email Authentication Protocols

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

Deploying DMARC

  • Prerequisites: SPF and DKIM setup
  • Creating DMARC records
  • Policy configuration and monitoring

Advanced Filtering Strategies

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

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

Requirements

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

Target Audience

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

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