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I'm changing my hosting provider - how do I make sure it doesn't affect my Postmark account?

Changing your host can be a daunting task. Here are some tips to make the transition as smooth as possible for your Postmark account.

Note - If your DNS provider will not be changing, you do not need to make any changes for your Postmark account to continue normal operation.

Outbound sending considerations

DKIM

For each of your sending domains you will need to add a new DKIM record for the domain to your new DNS provider. To do this, follow these steps.

  1. Go to the DNS Settings page in Postmark for the sending domain
  2. Generate a new DKIM record
  3. Add the generated DKIM record to your new DNS provider
  4. Once the new DKIM record is showing as verified in Postmark, you can remove the old DKIM record via the same DNS Settings page in Postmark.

Taking this action guarantees that when you disable the old host your sending domain will continue to be able to be used with Postmark with no lapse in sending.

Custom return-path

Similar to the process for DKIM, you will want to set up CNAME records for custom return-paths for your sending domains.

  1. Go to the DNS Settings page in Postmark for the sending domain
  2. Check the host used for the CNAME record
  3. Add a CNAME record to your new DNS provider with the host from the DNS Settings page

This step is not required to keep your sending domains operational during the transition but should be completed as soon as possible to retain optimum deliverability.

Inbound Processing Considerations

If you are using inbound domain forwarding to process inbound emails, add MX records for your inbound domains to the new host. Make sure these MX records point to inbound.postmarkapp.com.

Last updated October 3rd, 2018

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