So what's that supposed to mean? As far as I know, for the player it's not even possible to cancel a withdrawal. At least I didn't find any option or button to cancel it.
Meaning, the email is a blatant lie.
If you didn't have the presumption of malice before, then this should move the needle
(at least a notch)
Don't really see this going anywhere though: any response you'll get will probably place the responsibility on your end or throw some other ToS at you.