Email delivery rates remained steady at 89 percent during the second quarter, with the top 10 ISPs' average at 97.1 percent, according to Lyris EmailAdvisor, writes Internet Retailer. The top 10 U.S. domains, ranked according to inbox delivery rates, were mail.com, 97.79 percent; earthlink.net, 97.74 percent; peoplepc.com, 97.68 percent; usa.net, 97.46 percent; socal.rr.com (RoadRunner), 97.46 percent; cs.com (CompuServe), 97.08 percent; yahoo.com, 96.96 percent; lycos.com, 96.8 percent; knology.net, 96.3 percent; and mac.com, 95.97 percent.
Incorrect spam filtering fell from an average 3.3 percent in Q1 to 1.4 percent in Q2, reflecting (according to Lyris) a trend toward more accurate and sophisticated spam filtering by ISPs and email service providers.
