Spam Emails from Appsheet

Hi, one of my colleagues is receiving many spam emails coming from noreply (at) appsheet.com. She can’t simply just block the address as we use emails from appsheet for notifications and different reports as well. Does this have anything to do with our use of appsheet or is it just random? Any ideas how to stop them?

Here’s one example:

Please contact Support for help with this. When you do, make it very clear that you’re receiving spam from the appsheet.com address. Someone at AppSheet will have to investigate and try to identify the source. Beyond that, there’s nothing you can do.