Many email marketers know now that just because you send it, that doesn’t mean it went anywhere. There are many factors that go into your deliverability – the science of whether or not your email makes it to the Inbox. Last week, a client asked us if they would automatically get a one-way ticket to the junk or spam filter if they used “free” in the subject line. They’re thinking with the right mindset – content does matter! But, luckily for promotional email marketers…