Reply To: Invoice isn’t attached to the mail

Seems to work fine for me. I haven’t set up my local mail server right now so I can’t get the mail, but the invoice get’s generated and the file path is in the correct place for the email class to take the file.
After that I can’t make any mistakes…
Try to turn on WP_DEBUG in wp-config.php and see if there’s an error.

And for IE8: It wont work on a steam machine either, so maybe let’s just get rid of bad and old technologies 😉