Feature announcement: Custom metadata for your emails
We know that sometimes you need to keep track of each email not just as it flows through Postmark, but outside of it as well. We also know that you can’t always rely only on the Postmark-generated Message ID to accomplish this — you need a way to set your own unique IDs on a per-message basis. So we've added an option for you to specify custom metadata for individual emails.
Continue reading • Rian van der Merwe wrote in Product news