Optin News: Assurance Issues E-Mail Blocking and Filtering Report
Assurance Systems, a provider of e-mail delivery monitoring and assurance services, recently released its Fourth Quarter E-Mail Blocking and Filtering Report indicating approximately 15 percent of permission-based e-mail marketing messages fail to make it to the end-users inbox at the 10 largest Internet Service Providers (ISPs).
According to Assurance Systems, they monitored more than 800 e-mail campaigns to determine delivery rates across the top 10 ISPs. A smaller study conducted by Assurance Systems for the third quarter of 2002 indicated an e-mail failure rate of 12 percent. Assurance claimed results showed Netzero experiencing the highest non-delivery rate at 27 percent, followed by Yahoo (22 percent) and AOL (18 percent).