Mailchimp favicon

Mailchimp: Delayed Deliveries via Mandrill

mailchimp.com
September 2026 17 Major incident

We are currently aware of and investigating an issue affecting a subset of customers with delayed deliveries while sending through Mandrill. Our Engineering team is working on a resolution and we will provide further updates as they become available.

Started

23:37 UTC

Duration

Lasted 36m

Source

IsDown

Next time

Mailchimp is degraded. Is your product working?

An incident on their side does not always mean an outage on yours, and the only way to know is to already be watching your own endpoints. Set that up in under a minute and you will be notified the next time your own site is affected. And there will be a next time.

50 monitors for your own websites. No card.

What happened?

We are currently aware of and investigating an issue affecting a subset of customers with delayed deliveries while sending through Mandrill. Our Engineering team is working on a resolution and we will provide further updates as they become available.

4.7
stars out of 5
284+ reviews on

Start monitoring in 30 seconds.

There's nothing to install. No credit card required. 50 monitors for free.