Email marketers have a consistent challenge to deal with: nearly 1 in 4 of their opt-in emails never reach the inbox. The reason? ISPs determine which emails to block or mark as SPAM based on your email lists and practices and something called “sender reputation”. How is your sender reputation determined? Discover the answer by downloading “Email Sender Reputation Report: Key Factors that Impact Email Effectiveness”. With this report you will learn about the three key factors that affect your sender reputation as well as best practice tips on how to improve complaint rates, list hygiene and authentication.