ISPs like Hotmail have been pushing e-mail authentication for years. I've been talking about Sender ID and Hotmail for more than two years now and Meng Wong (now of Karmasphere) has been educating senders and receivers on why sender policy framework (SPF) is important since at least mid-2004. (This article first appeared in the 2007 edition of the Essential Guide to E-Mail Marketing.)
Company of the week
Concerned about growth? With over 25 years experience in the industry, the list experts at Fairfield Marketing Group possess the know-how to help immediately improve any domestic or international direct marketing effort. First-time and well-established mailers can rely on Fairfield Marketing Group's expertise to help launch campaigns into positive and profitable ventures.
It doesn't matter how much data you have if you don't integrate your data sets, says market researcher Matthias Hartmann.
Radio version 2014 delivers an exciting palette of marketing tools to make the medium of sound more effective for direct response advertisers.
How marketers can navigate the new customer engagement era.