Hmm Ok, please ignore the above post. I looked through recover_cart_sales.php again and realized two things,

1. The "hint" I found is for the strings of text and nothing else. I confused it was related to names of files (e-mail templates that would be. Wishful think maybe, he he)

2. RCS is using the default Zen Cart e-mail template, whether the template is in HTML or not. It's the text that's being sent from RCS that is text only, and no HTML. That's no problem for me. Still curious if it's just the question of a simple code change to define my own e-mail template file somewhere as I want to give the RCS e-mails some special features :).

I also noticed the setting "Ignore Repeat Customers" which I think sounds interesting to try out, not sure if I understand what it really does though, as my test user with 7 placed orders in the past still get the RCS e-mails. Isn't this setting for not sending e-mails to repeat customers at all? The text after the greeting changed a little bit though (to the "EMAIL_TEXT_CURCUST_INTRO" string instead of "EMAIL_TEXT_NEWCUST_INTRO") so RCS apparently recognized my test user as a repeat customer. Have anybody else got this to work? Or did I misunderstand what the setting is for?

Best regards

Peter