450 errors on message submission

Incident Report for mailgun

Resolved

This incident has been resolved.
Posted May 12, 2016 - 19:56 PDT

Monitoring

A fix has been implemented and we are monitoring the results.
Posted May 12, 2016 - 17:38 PDT

Investigating

We are investigating an issue where large messages are intermittently rejected with the error "450 Mailgun temporarily unavailable".
Posted May 12, 2016 - 16:46 PDT