So I managed to use "reply-to" and set an email to be replied to, however I'm wondering if its possible to change the subject of the email after its replied? instead of Re: 'Original Subject'?
$header = "From: " . $from ."\r\nReply-to: " . $email . "\r\n";
maybe something like this? P.S. this 2nd code doesn't work, its just to help me get my point across
$header = "From: " . $from ."\r\nReply-to: " . $email . "\r\nReply-subject: Company Support Message\r\n";