Many B2B marketers know email marketing can be one of the most effective lead generation tools, with research from the Direct Marketing Association (DMA) showing an average ROI of $38 for each $1 spent. But there is no doubt that implementing a successful email campaign can have its challenges. To better understand the challenges marketers are facing, email marketing software provider Delivra teamed up with Ascend2 to conduct a survey among this audience. The results