1 in 4 Commercial Emails Did Not Reach Inbox in H2 ’11

Globally, only 76.5% of commercial emails reached their intended inbox in the second half of 2011, down from 81% in H1 2011, details ReturnPath in a March 2012 study. The remaining roughly 1 in 4 emails that did not reach the inbox wound up either in a spam/junk folder (8.7%) or were blocked by ISP-level filtering (15.1%). Regionally, Europe had the highest rate of commercial emails reaching the inbox (85%), followed by North America (79%), Central and Latin America (72%), and Asia-Pacific (67%). (more…)