"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
We wanted to bring to your attention that our Data Center Operations Team will be performing a maintenance upgrade to our Reflexion infrastructure starting at 10:00 PM Eastern Time Friday, August 12, 2016. During this upgrade users may experience some delays to email delivery. We don’t expect the maintenance window or any email delays to exceed beyond 2 hours.