Establish compliant OOF settings
Out-of-Office (OOF) messages have to follow the compliance rules as regular email communication. This is not necessarily a known fact to end users.
Remove Out-Of-Office rules from user mailbox
his script searches for OOF rules created by users using the Outlook rule-tab in the OOF assistant and deletes exisiting OOF rules.
Set external OOF settings based on AD group membership
This script sets the mailbox ExternalOofOptions to ‘External’ for members of a given security group.