07/18/2019 Update: This has now been resolved. Email notifications to all addresses should be getting through now. If you still think you are not receiving our email notifications please email us at firstname.lastname@example.org.
Original Post: Our emails are currently being blocked to email addresses that are Microsoft based. This includes hotmail, msn and live.com email addresses. All package notifications and registration notifications are being affected. Our team is working on a resolution and we expect to have this rectified shortly.