I use http://www.sparrowmailapp.com/ http://www.sparrowmailapp.com/ to manage my 3 gmail accounts. No affiliation with the company, just a satisfied (free beta)

I use http://www.sparrowmailapp.com/ http://www.sparrowmailapp.com/ to manage my 3 gmail accounts. No affiliation with the company, just a satisfied (free beta) customer.