An email has bounced and on the messages table, the message shows as failed
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There is an error message on the message that failed

The bounce object contains a bounce type of Undetermined, Permanent, or Transient. The Permanent and Transient bounce types can also contain one of several bounce subtypes.
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When you receive a bounce notification with a bounce type of Transient, you might be able to send email to that recipient in the future if the issue that caused the message to bounce is resolved.
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When you receive a bounce notification with a bounce type of Permanent, it's unlikely that you'll be able to send email to that recipient in the future. For this reason, you should immediately remove the recipient whose address produced the bounce from your mailing lists.

Description

The recipient's email provider sent a bounce message. The bounce message didn't contain enough information for Amazon SES to determine the reason for the bounce. The bounce email, which was sent to the address in the Return-Path header of the email that resulted in the bounce, might contain additional information about the issue that caused the email to bounce.

The recipient's email provider sent a hard bounce message.

When you receive this type of bounce notification, you should immediately remove the recipient's email address from your mailing list. Sending messages to addresses that produce hard bounces can have a negative impact on your reputation as a sender. If you continue sending email to addresses that produce hard bounces, we might pause your ability to send additional email. See Using the Amazon SES account-level suppression list.

It was not possible to retrieve the recipient email address from the bounce message.

The recipient's email address is on the Amazon SES suppression list because it has a recent history of producing hard bounces. To override the global suppression list, see Using the Amazon SES account-level suppression list.

Amazon SES has suppressed sending to this address because it is on the account-level suppression list. This does not count toward your bounce rate metric.

The recipient's email provider sent a general bounce message. You might be able to send a message to the same recipient in the future if the issue that caused the message to bounce is resolved.

If you send an email to a recipient who has an active automatic response rule (such as an "out of the office" message), you might receive this type of notification. Even though the response has a notification type of Bounce, Amazon SES doesn't count automatic responses when it calculates the bounce rate for your account.

The recipient's email provider sent a bounce message because the recipient's inbox was full. You might be able to send to the same recipient in the future when the mailbox is no longer full.

The recipient's email provider sent a bounce message because message you sent was too large. You might be able to send a message to the same recipient if you reduce the size of the message.

The recipient's email provider sent a bounce message because the message you sent contains content that the provider doesn't allow. You might be able to send a message to the same recipient if you change the content of the message.

The recipient's email provider sent a bounce message because the message contained an unacceptable attachment. For example, some email providers may reject messages with attachments of a certain file type, or messages with very large attachments. You might be able to send a message to the same recipient if you remove or change the content of the attachment.