We are currently seeing increased reports of bounces and deferrals due to unresolved MX record look ups for .au domains. Our team is investigating the cause and we will update with more information as it becomes available. Please reach out to our support team at https://support.sendgrid.com with any questions.
Posted about 1 year ago. Mar 31, 2017 - 00:32 PDT
This incident affected: Mail Sending (API v3, SMTP, API v2).