Email Insider: Email Worst Practices: A Must-Read Primer on Bad Email Practices

Much of the decline in email clickthrough rates may have more to do with amateurish email mistakes than it does with declining effectiveness. Bill McCloskey points out specific format errors, compliance errors and redirect errors, all of which he sees everyday. As email marketing is adopted by more and more companies, and management systems become available for novice do-it-yourselfers, a higher percentage of marketing emails have been rendered unclickable.