Use of non-government lines of communication for government business is against regulations, and if the communications are classified, criminal.
Obama communicated with Hillary using her private server as the recipient. She'd call him as a defense, that he approved of the arrangement, therefore tacitly waiving application of the regulations and laws.
“...Obama communicated with Hillary...”
see my #50 as well which has always been my theory as to why she created the e mails - yours says it more precisely.
Where are the RICO charges???? Is there anyone at the top who will go after the witch?