“Also, from you review, I’m sure that your server was hacked. None of the other users reported this kind of behavior.”
Here are some other reports of this behavior:
https://ww.wp.xz.cn/support/topic/alert-from-host/
Whatever the case, the behavior vanished when I removed the WP-Optimize plugin and cleaned its files and directories off my servers’ filesystems. Not a good look for the Updraft company.
