DMARC Verification for Microservices Email Delivery Pipelines

Your microservices architecture sends various emails from different systems. You need a way to ensure all these disparate email streams consistently align with DMARC for reliable delivery.

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The problem

In a microservices architecture, different services often send emails (e.g., password resets, order confirmations, notification events) from the same primary domain but through various SMTP relays or email APIs like AWS SES or Mailgun. Tracking DMARC alignment across these disparate sending sources becomes incredibly complex. A misconfiguration in just one service's email setup can lead to widespread deliverability issues, impacting critical user interactions without clear visibility into the root cause.

Debugging DMARC failures in a distributed system means sifting through logs from multiple services and correlating them with raw DMARC XML reports, a highly time-consuming and error-prone process. Without a centralized, actionable view, engineers struggle to identify which specific microservice or email provider is causing SPF or DKIM alignment issues. This manual effort delays resolution of critical email delivery problems and diverts valuable development resources from core feature work.

How Aligned solves it

Aggregate DMARC RUA reports from all email-sending microservices, providing a single source of truth for your distributed email delivery.

Pinpoint specific microservice instances or third-party email APIs (e.g., AWS SES, Mailgun) causing DMARC, SPF, or DKIM alignment failures.

Ensure consistent DMARC compliance across your entire microservices ecosystem, preventing delivery issues and securing all automated communications.

Concrete example

{
  "domain": "app-services.com",
  "sources": [
    {"ip": "54.240.x.x", "org": "aws-ses", "spf_aligned": true, "dkim_aligned": true},
    {"ip": "192.0.2.x", "org": "mailgun.com", "spf_aligned": false, "dkim_aligned": true}
  ],
  "dmarc_status": "mixed",
  "policy_effect": "quarantine"
}

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Frequently asked questions

How does Aligned handle DMARC for emails from different microservices?

Aligned consolidates DMARC reports from all sources sending email for your domain, regardless of which microservice or email API (like AWS SES) is initiating them. This provides a unified view of all email streams.

Can Aligned identify specific microservice senders causing DMARC issues?

Yes, Aligned parses the DMARC reports to show you the specific IP addresses and organizational domains (e.g., Mailgun, AWS SES) associated with email failures, helping you pinpoint the problematic microservice.

Is it difficult to integrate Aligned with our microservices architecture?

Integration is straightforward. You simply update your DMARC record to point RUA reports to Aligned. No changes are needed within individual microservices; Aligned processes the aggregate reports.