The answer is simple one should have a line that they do not cross when it comes to communications Business is that line where are you getting your money. If the business requires that you operate in on an un-authorized channel one not providing you protection from job loss do not use the channel. So do not call your wife using the office phone or send letters using the company postage. Work envrioments are salt mines with overseers ready to apply the lash to the lackey.