Why Email Marketing? Okay, so why bother with email marketing? After all, with today’s spam filter and the can spam laws and deliverability at an all time low, isn’t it more sensible to just participate in promotional strategies like pay per click and article marketing? The simple answer is this. Email marketing is a 2 trillion dollar a year business world wide. Wrap your head around those figures. Yes, that’s also counting all the income generated from spammers, but even without them, it is clear to see that email marketing is still a very lucrative way to generate an income online.