How to prevent blocking of critical Amazon order emails

Blog Post created by gennyr Employee on Jan 30, 2018

If you’re trying to contact Amazon customers with critical information about their orders, you can avoid bounced emails by including [Important], with brackets, in the subject line of the email. Amazon buyers can opt out of unsolicited messages from sellers, so Amazon recommends this if you’re sending a message to a customer’s email alias outside of the Buyer-Seller Messaging Service in Seller Central. However, this shouldn’t be added to the subject line for all emails. Per Amazon Seller Central:


What sorts of messages are critical to completing an order?

The following messages are considered critical to complete a buyer's order:

  • Product customization questions
  • Delivery scheduling
  • Issues with a shipping address

The following messages are not critical to complete an order:

  • Requests for seller feedback or buyer reviews.
  • Order, shipment, delivery, or refund confirmations. Amazon already sends these emails.
  • Proactive customer service. For example: product manuals, tips for using the product, answers to frequently asked questions, suggestions if something goes wrong.
  • Out-of-stock or delay notifications and offers of alternative products. Please cancel the order instead.


Learn more about the feature in Amazon’s Buyer-Seller Messaging FAQ.