I have a Gmail account, which forwards to both my iPhone 5 and my Outlook 2013. I want the email that's in my Outlook Inbox to remain unchanged, regardless of whether I've read or deleted the email online or on my phone. Right now if I delete the email from my online Gmail account it disappears from my Outlook, and if I read the email on my phone it becomes marked "read" in Outlook. It's wreaking havoc in my business. Please help.