Founded in 2008, Impressionwise is the recognized authority in real-time email verification and data cleansing services. Our threat intelligence has helped protect clients for over a decade, and is designed for email senders of every type. Our email verification service uses a multi-layered approach to identify areas of concern within your data, validate all email addresses, and protect your sender reputation against a wide range of email-based threats, resulting in a highly deliverable and safe list of emails. We provide an extensive amount of intelligence and detail with our results, as well as the most comprehensive reporting in the industry. Our insight and experience combined with our quality service and support allow us to ensure our clients maintain safe and accurate lists that not only enhance deliverability but also aid in their overall success.