Welcome to Author Dock 4.0

If you have already followed the instructions here on how to read a Kindle (.mobi) file and still are having issues, try the technique explained at the link below.

Large eBook files, especially Fixed Layout eBooks, may exceed the 50MB limit that is imposed by the Send To Kindle app.

There are some workarounds explained here:
http://the-digital-reader.com/2016/01/29/how-to-get-really-big-ebook-and-pdf-files-into-the-kindle-app-for-ios