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Email bounces

What do you do when the message from your email campaign is bounced back from your users’ email addresses? First, let’s define and troubleshoot the two types of email bounces:

  • Hard bounces
  • Soft bounces

Hard bounces

When an email message hard bounces, the email address is either invalid or does not exist. When this occurs, Braze marks the email address as invalid but does not update the user’s subscription status. At this point, Braze will not attempt to send messages to email addresses marked as invalid.

Soft bounces

Soft bounces occur when your recipient’s email address is valid or when the email message reaches the recipient’s email server, but the message was rejected for a temporary issue. These temporary issues can include when:

  • Your recipient’s inbox is full
  • The message is too large for your recipient’s inbox
  • An email server was down

While soft bounces aren’t tracked in your campaign analytics, you can monitor the soft bounces in the Message Activity Log in the Developer console on the Braze dashboard. Here, you can also see the reason for the soft bounces and understand possible discrepancies between the “sends” and “deliveries” for your email campaigns.

To learn more about managing your email subscriptions and campaign, check out best practices for email!

Still need help? Open a support ticket.

Last updated on November 16, 2022

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