We're seeing some delays on messages being sent to Hotmail caused by an issue on their end.

Resolved
Resolved
After 6 hours and 52 minutes

Delivery times to hotmail.com are returned to normal now.

Identified
After 5 hours and 39 minutes

We're still seeing Hotmail having trouble accepting emails, but our mail server queues to hotmail.com are starting to improve.

Investigating

We'll continue to monitor and post an update when we start to see some improvements.

Began at: