Yes rerouting only works with Office 365. You can install a similar solution on your own Exchange Server, but this is not rerouting, it is a HUB transport layer solution.
No. Rerouted emails stay in secure Xink Servers in Windows Azure. They never leave our environment and are passed back to the customer’s Office 365 account via TLS/SSL securely.
You can use rerouting in many cases. Most commonly used scenario is use with smartphones and tablets. It supports all smartphone systems and all email apps.
Rerouting is primarily used for smartphones and tablets. It can also be used as the whole email signature solution but most customers use the Xink app for Outlook because it enables you to see the signature while you compose the email.
No. When the email has been altered (by replacing the signature) then the certificate is not valid anymore.
Yes. Run the script with switch ‘-remove’.
In the beta version it replaces all occurrences of the rule text with the default signature when this text is met.
Follow the guidelines in the manual.