19% of marketing e-mails never reach customers

Return Path, a company that monitors e-mail performance for online marketers, found that nearly 19% of e-mail sent by its customers never reached the inboxes of intended recipients. The figure, for the last half of 2003, is up 3.

Return Path, a company that monitors e-mail performance for online marketers, found that nearly 19% of e-mail sent by its customers never reached the inboxes of intended recipients. The figure, for the last half of 2003, is up 3.7% points from the same period in 2002.