...and enterprise mail servers (like Exchange) have compliance features that prevent deletes or clone messages once a hold is placed on a certain account. See

...and enterprise mail servers (like Exchange) have compliance features that prevent deletes or clone messages once a hold is placed on a certain account. See https://docs.microsoft.com/en-us/Exchange/policy-and-compliance/holds/holds?view=exchserver-2019 https://docs.microsoft.com/en-us/Exchange/policy-and-complia...