v3.1 diagrams

Email Infrastructure Architecture Diagrams

Twelve reusable SVG diagrams for operational documentation and training.

Application → MTA → Provider → Recipient

Application → MTA → Provider → Recipient

Authentication Alignment

Authentication Alignment

VMTA Isolation Model

VMTA Isolation Model

Queue Recovery Decision Flow

Queue Recovery Decision Flow

DKIM Selector Rotation

DKIM Selector Rotation

Incident Response Lifecycle

Incident Response Lifecycle

MailWizz Delivery Stack

MailWizz Delivery Stack

Postfix Routing Flow

Postfix Routing Flow

SMTP DNS Identity

SMTP DNS Identity

Monitoring Stack

Monitoring Stack

Warm-Up Feedback Loop

Warm-Up Feedback Loop

Backup and Recovery

Backup and Recovery