Select a Mail Reader

Select this option if you want to use a standard email client. Use the drop-down combination box to select your preferred email client. 

Custom Mail Reader

Select this option if you want to use a custom email client.  

Command

Enter the command to execute to start the custom email client. 

Start in Terminal

Select this option to run the command in a terminal window. Select this option for an email client that does not create a window in which to run.