HT4977: iOS: Issues and resolutions with S/MIME and Exchange 2010Learn about iOS: Issues and resolutions with S/MIME and Exchange 2010
Currently Being ModeratedSep 27, 2012 3:14 PM (in response to zamark)
It's the key that says "Return" (or the equivalent if you use language other than English) on your keyboard; i.e. adding blank lines. You could put them into the signature, but whether that would cure the problem you're attempting to address I don't know.