Lyris has released the ‘Guru’s Guide to Email Marketing 2012’.The Lyris team says, “Email marketing has an average return on investment of $44 for every dollar spent. But achieving optimal results from your email marketing programs requires experience, planning and market knowledge.That’s why we created the 2012 Guru’s Guide, the definitive guide to email marketing. In this guide you’ll get the latest advice and tips on:Building your email opt-in listDeveloping high performance email creativeIncreasing the deliverability of your email messagesAnalyzing email marketing... [...]