We are using free version from the couple of months and we are in education space. We are not receiving emails properly after 13th of may and this is being faced by all of my team members. I have checked all setting and notifications which are perfect.
Your email address was on the bounce list. This has now been removed. Please let me know if the issue persists.
Please provide the other email addresses if other users are experiencing the same problem and I can check their email activity.