September 11, 2007
An increased reliance on the Sender Policy Framework (SPF) authentication method to determine e-mail legitimacy was the key finding of Lyris’ E-mail Advisor ISP Deliverability Report Card for the 2007 second fiscal quarter. The study, which monitors deliverability rates for permission-based e-mail marketing messages, measured the full-delivery trajectories of more than 436,000 permission-based e-mail marketing messages using ISP domains in the U.S., Canada, Europe and Australia. Here are some of the report’s findings: * Permission-based e-mails make it into U.S. ISP boxes roughly 75 percent of the time; * AIM.com topped the list with 97 percent inbox delivery, 10 percentage points higher than
