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How DMARC and a custom Return-Path work together

Starting back in November, we offered Postmark customers 100K credits for doing two things:

  1. Adding a custom return-path
  2. Adding a DMARC policy to their domain.

One of the things I realized is that while we were really clear about what you needed to do, we were less explicit about why we asked you to set up a DMARC record AND a custom Return-Path on Postmark. To make this clearer, I’d like to explain the important role that a custom return-path plays in DMARC alignment.

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Gmail improves security for their users

Yesterday was Safer Internet Day, and Gmail celebrated it by making some important updates to the way they show messages to their users. These changes cover two big areas, encryption and authentication. We thought you’d like to see how these changes will work for your recipients, and how Postmark makes it easy to give your recipients the best experience with these updates.

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Tools we use: Curator for Elasticsearch

Relying on great tools is essential to small teams like Postmark where we need to balance maintaining our infrastructure and creating new features. Infrastructure tooling creates a foundation that gives us the time and confidence to push Postmark forward to add more value for our customers.

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