Nisus Email for Mac

From Nisus Software:

This revolutionary new product allows you to edit, write and manage your email via any text editor, and allows you to quickly send mail from any application via its DragSend feature. In fact, sending email has never been easier and quicker, with our exclusive click and drag feature.You can send mail in just two clicks: Drag your text (or attachments) to the floating window, one click to choose your recipient, and it's gone! You can also do a one click send: Just pre-address the text, drag it to the floating window, and off it goes. It is really that simple! This is great for inter-office emails, or for anyone who wants to send email quickly, from any application. That means that wherever you are, Nisus Email is ready.