I think this software is in beta status. Some settings are hardcoded! If you want HTML mails, you have to change the code. In helpers/vminvoice.php there is an email address Tato emailová adresa je chráněna před spamboty, abyste ji viděli, povolte JavaScript as sendername. That's why sending always failed.

And what about this feature in the description?

"The invoices can be sent automatically to shopper emails or..."

How works this? Thats the reason why I bought this software. I have to klick a button.

Nice picture at www.artio.net/images/stories/screenshots...oice/vminvoice-3.png

How do I get this invoice pdf button in my billing list?

A great idea and exactly what I need. But I can not use it. I hope you can help me.