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Course Outline

Introduction

  • Analysis of email security threats and operational challenges
  • Comparison of self-hosted versus cloud-based email solutions
  • Overview of RSPAMD, SpamAssassin, and DMARC frameworks

RSPAMD Setup and Configuration

  • Installation of RSPAMD
  • Foundational configuration procedures
  • Web interface and monitoring capabilities

SpamAssassin Integration

  • Installation of SpamAssassin
  • Rule configuration methodologies
  • Bayesian filtering implementation

Email Authentication Protocols

  • SPF record establishment
  • DKIM key generation
  • DNS configuration for SPF and DKIM standards

DMARC Deployment

  • SPF and DKIM prerequisite verification
  • Creation of DMARC records
  • Policy configuration and continuous monitoring

Advanced Filtering Techniques

  • Custom rule development and scoring
  • Integration of blacklist and whitelist resources
  • Greylisting configuration strategies

Monitoring and Maintenance

  • Log analysis and reporting standards
  • Performance optimization
  • Troubleshooting common operational issues

Summary and Next Steps

  • Review of key technical concepts
  • Best practices for ongoing security posture
  • Resources and further reading materials

Requirements

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

Audience

  • System administrators managing self-hosted email infrastructure for government agencies
  • IT professionals accountable for email security governance
  • Security engineers implementing anti-spam solutions in public sector environments
 14 Hours

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