I converted a
mobi using Calibre, then opened the
mobi file in Kindle Previewer 3. I have exported the file to desktop, and sent it to my Amazon Kindle email account.
But I got the following reply:
* xxxx.mobi The Kindle Personal Document Service can convert and deliver the following types of documents: Microsoft Word (.doc, .docx) Rich Text Format (.rtf) HTML (.htm, .html) Text (.txt) documents Archived documents (zip , x-zip) and compressed archived documents Mobi book
How to get the Kindle app for Android to show the book's cover?