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Mail servers

  • Mail servers
  • Cyrus
    • Installation
    • Get SSL certificate
    • Integration with postfix
    • Firewall
    • Configuration resources
  • Dovecot
    • Installation
    • Get SSL certificate
    • Configuration
      • SASL
    • Integration with postfix
    • Firewall
    • Configuration resources

MTA

  • Message Transfer Agent (MTA)
  • Postfix configuration
    • Installation
    • Basic configuration
      • Multiple local domains
      • Remote access
    • Managing mailboxes
    • Abuse and spam
      • SMTP restrictions
      • Blacklisting
      • Greylisting
      • Header filtering
      • Relaying
    • Rule-based mail processing
    • Notifications
    • Email loops
    • Reload
    • Restart
  • SASL configuration
    • Cyrus
      • SMTP
    • Dovecot
      • SMTP
    • Configuration resources

DNSSEC

  • Domain Name System Security Extensions (DNSSEC)

TLS

  • Transport Layer Security (TLS)
    • DNS-based Authentication of Named Entities (DANE)
    • MTA Strict Transport Security (MTA-STS)
  • TLS configuration
    • Creating keys and certificates
    • Configuration
      • SMTP (sending)
      • SMTP (receiving)
      • Logging
      • Cipher controls
      • Entropy
      • Session cache
      • Obsolete TLS parameters
    • Firewall
    • Configuration resources
  • DANE configuration
    • Configuration
      • Multiple domains
    • Configuration resources
  • MTA-STS configuration

SPF

  • Sender Policy Framework (SPF)
  • SPF configuration
    • Add SPF records to DNS
    • Installation
    • Configuration
      • policyd-spf.conf
    • Postfix integration
      • master.cf
      • main.cf
      • Restart postfix
    • Testing
    • Configuration resources

DKIM

  • Domain Keys Identified Mail (DKIM)
  • DKIM configuration
    • Installation
    • Unix socket
    • Generate keys
    • Configuration
      • Multiple domains
    • Postfix integration
      • Restart postfix
    • DNS Configuration
    • Testing
    • Configuration resources
  • Rspamd configuration
    • Configuration resources

DMARC

  • Domain-based Message Authentication, Reporting and Conformance (DMARC)
  • DMARC configuration
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Unseen University, 2024, with a forest garden fostered by /ut7.