Postmark Mail Flow

Postmark Mail Flow

Use cases

• signup verification
• password reset
• contact acknowledgements
• moderation decisions
• seller inquiry notifications
• listing lifecycle notifications

Flow

1. App validates request and anti-bot checks
2. App records the underlying event in the local database
3. App chooses the appropriate Postmark message template or stream
4. App sends mail through Postmark using server-side credentials from environment variables
5. App logs success or failure for operator review

Rules

• The app server is the control point for approval and verification logic
• Do not hand verification flow control to a separate mail server
• Keep noreply mail identity separate from operator inboxes
• Never hardcode secrets in code or views