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Course Outline

Introduction

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

RSPAMD Setup and Configuration

  • Installation of RSPAMD.
  • Initial configuration steps.
  • Accessing the Web UI and monitoring tools.

Integrating SpamAssassin

  • Installing SpamAssassin.
  • Configuring spam rules.
  • Implementing Bayesian filtering.

Email Authentication Protocols

  • Configuring SPF records.
  • Generating DKIM keys.
  • Updating DNS settings for SPF and DKIM.

Deploying DMARC

  • Meeting SPF and DKIM prerequisites.
  • Creating DMARC records.
  • Configuring and monitoring policies.

Advanced Filtering Techniques

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

Monitoring and Maintenance

  • Analyzing logs and generating reports.
  • Optimizing performance.
  • Resolving common technical issues.

Summary and Next Steps

  • Recap of key concepts covered.
  • Best practices for sustained security.
  • Recommended resources and further reading.

Requirements

  • Proficiency in Linux system administration.
  • Fundamental understanding of DNS and email protocols (SMTP, IMAP, POP3).
  • Hands-on experience with command-line tools and text editors.

Target Audience

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

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