More than one in 10 of email marketing messages sent from brands and marketers contain at least one faulty feature, according to a new study by Innovyx Inc. According to the report which includes the analysis of more than 5,000 marketing emails sent in May and June, 11% of marketing emails had broken links and more than 5% had a broken image. In addition, 9% of marketing emails opened on mobile devices contained one or more broken links.