Question : How can you find out who owns an email address if you cannot tell by the name being the email address?

How can you find out who owns an email address if you cannot tell by the name being the email address?  Example:  [email protected]

Answer : How can you find out who owns an email address if you cannot tell by the name being the email address?

If it is an internal email address you can click on its property. If its an external address then no you can't.