We're closing the incident as we haven't seen any failed email deliveries for longer than an hour now.

We're seeing a decrease in the rate of errors. Our engineers keep monitoring the system.

We will resolve the incident when we confirm there are no failed email deliveries.

Our SMTP service provider, Mailchimp, is currently experiencing an issue that is affecting our ability to deliver email messages.

We are currently investigating the issue with Mailchimp technical support team.

We will resolve this incident once we have received confirmation the issue has been resolved from our SMTP service provider.