Ever wanted a simple way to send emails with a simple User Interface (UI)? Well, MailApp is a perfect choice for you. It will be free to use and always will be and updates will be issued every now and then to keep things running smoothly. It will support Outlook, Office 365, Gmail and Yahoo and will sent messages with ease. It is written in Python and will work on most OSes.
MailApp should arrive at the start of June.