Most people have been on the receiving end of an e-mail marketing blunder. Perhaps you’ve opened a marketing email to find that the sender has forgotten to put your name in the opening line, or maybe you’ve received an email containing an interesting link, only to find that it leads nowhere when you click on it. As a business owner, you’ll know that many marketing mistakes can be very costly to make. When it comes to email marketing, even small mistakes could cost you some credibility or create problems when it comes to building good relationships with your customers. So, with that in mind, we’ve listed some of the biggest email marketing mistakes to avoid.