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Course Outline

Introduction

  • Email security threats and challenges.
  • Self-hosted versus cloud-based email solutions.
  • Overview of RSPAMD, SpamAssassin, and DMARC.

RSPAMD Setup and Configuration

  • Installing RSPAMD.
  • Basic configuration steps.
  • Web UI usage and monitoring.

SpamAssassin Integration

  • Installing SpamAssassin.
  • Rule configuration.
  • Bayesian filtering implementation.

Email Authentication Protocols

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

DMARC Deployment

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

Advanced Filtering Techniques

  • Custom rules and scoring mechanisms.
  • Integration of blacklists and whitelists.
  • Configuration of greylisting.

Monitoring and Maintenance

  • Log analysis and reporting.
  • 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 understanding of DNS and email protocols (SMTP, IMAP, POP3).
  • Experience utilizing command-line tools and text editors.

Audience

  • System administrators managing self-hosted email infrastructure.
  • IT professionals responsible for email security.
  • Security engineers tasked with implementing anti-spam solutions.
 14 Hours

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