I’m coming to the end of a 30 day free trial of Mailplane which I use for the reason you describe, and I definitely intend to purchase it. http://mailplaneapp.

I’m coming to the end of a 30 day free trial of Mailplane which I use for the reason you describe, and I definitely intend to purchase it. http://mailplaneapp.com/ http://mailplaneapp.com/ Alternatively you could run multiple Fluid apps (or whatever the equivalent is for your preferred OS). http://fluidapp.com/ http://fluidapp.com/