Set up DMARC and see who's sending email using your brand's domain.

How does the account approval process work?

When you first sign up for Postmark you can send to email addresses on any domains you own. Until your account is approved, you won’t be able to send to any email address outside the domains you’ve added to your account and verified. We manually review each new account to ensure it won’t be used to send emails that can potentially hurt our sending reputation and affect our customers’ deliverability and time to inbox. This approval process is one way we help maintain the best time to inbox and deliverability in the industry.

How do I submit an approval?

Only an Account Owner can submit an approval. You will see the option to request an approval in your account. 

How long does the review process take?

The review process will be completed in less than 24 hours on weekdays and a little longer on the weekends. We will reach out and notify you whether you are approved or not. Check out our help article for more information on the types of messages that are a good fit for Postmark.

What can I do while I wait for approval?

While you are waiting to be approved you can send emails to your own domains you have added and confirmed in your account, use our API, set up inbound processing, build and use Templates, add more users to your account, and try out our webhooks. You can also send test emails outbound to our sink email address, Messages sent to this domain will be dropped on the receiving end but you will be able to see the delivery confirmation and message in your Activity. Note, link tracking is only available once the account has been approved. 

What can I do if my account was not approved and should have been?

If you feel your account was not approved in error please reach out to us at with some examples of the emails you want to send through Postmark. We are happy to take a second look to make sure we make the right decision.

Last updated September 19th, 2023

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