Airplane - HTML mail sender at Mac App Store analyse

This app allows you to send HTML e-mails only.
It sends HTML data created using an external editor directly via e-mail.
The app does not automatically reformat any HTML text, so it will never destroy your original HTML layout.
If the recipients e-mail software is unable to receive HTML e-mail, you can make it display the content in plain text instead.
You can categorize recipient e-mail addresses into groups to send an e-mail to multiple addresses at the same time.
It can read in image file attachments as related link files; it then replaces the Content-ID with the image address in the HTML data, in order to display image attachments within the HTML content.

This app has been designed for sending HTML e-mails only. It does not have functionality for receiving e-mails.
The apps HTML editing functionality only allows you to overwrite the source text directly. To create new HTML data, please use a different HTML editor app.