Issues & outages

I recognize that many reading may not have heard from me before. I’m Erik Enge, Head of Engineering at Postmark. The goal of everything we do at Postmark is to provide a reliable email delivery service to you, our customer. This weekend challenged that and we’ve failed to meet the expectations you have of us. I was hoping that the first time you’d hear from me would be under better circumstances. Over the weekend, Postmark experienced a massive and sophisticated DDoS attack that resulted in a severe reduction of our sending capability and email delays for our customers. Despite the scale of the attack, we didn’t lose any email or data, and we continued to accept and queue messages while experiencing significant delays when sending email and updating activity pages. This incident represented a major disruption, and you deserve a complete explanation. We want to provide as much information as