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Course Outline

Introduction

  • Identifying email security threats and operational challenges
  • Comparing self-hosted versus cloud-based email solutions
  • Key features of RSPAMD, SpamAssassin, and DMARC

RSPAMD Setup and Configuration

  • Installation processes for RSPAMD
  • Initial configuration settings
  • Utilizing the web interface and monitoring tools

SpamAssassin Integration

  • Installing SpamAssassin components
  • Configuring filtering rules
  • Implementing Bayesian filtering

Email Authentication Protocols

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

DMARC Deployment

  • Prerequisites involving SPF and DKIM
  • Creating and publishing DMARC records
  • Configuring policies and establishing monitoring

Advanced Filtering Techniques

  • Developing custom rules and scoring models
  • Integrating blacklist and whitelist sources
  • Configuring greylisting mechanisms

Monitoring and Maintenance

  • Analyzing logs and generating reports
  • Optimizing performance
  • Diagnosing and resolving common issues

Summary and Next Steps

  • Recap of core concepts
  • Best practices for sustained security
  • Recommended resources for further learning

Requirements

  • Solid proficiency in Linux system administration
  • Foundational knowledge of DNS and core email protocols (SMTP, IMAP, POP3)
  • Competence in utilizing command-line interfaces and text editors

Target Audience

  • System administrators overseeing self-hosted email infrastructure
  • IT professionals tasked with email security oversight
  • Security engineers focused on implementing anti-spam defenses
 14 Hours

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