Sorry Kylee – I think I mis-interpreted your original reply… I thought you were saying to put the ‘[checkbox-444][user-email]’ in the additional headers for mail(1), so the checkbox would toggle whether the sender got a cc of that message.
Didn’t think to put the checkbox tag in the header for mail(2)… which would probably do exactly what I was asking.
Will try that when I get a few minutes. As a volunteer webmaster, with a full-time “day job”, I have to work these things in between all the other ‘stuff’ I do.
Thanks for the suggestion Kylee – but my goal was to be able to include additional content (“Thanks for contacting us”, etc.) in the copy that goes to the sender, without cluttering up their original message to the recipient.
I am currently using Mail2 to send the response to all senders, with a note above the ‘submit’ button that says “you will automatically receive a copy of your message”. My thought was that I could give the sender the option of whether they want to get a copy – but still include the additional comments if they do.