SAN FRANCISCO--(BUSINESS WIRE)--VerticalResponse®, a provider of online marketing tools for small businesses and a Deluxe Corporation company, has expanded its automation capabilities to include sending a follow-up email to people who may have missed a first email. The Follow-Up Email feature automatically re-sends the email three or more days later to contacts that have not opened or clicked on the original email. Professional marketers call this segment of the audience “non-responders.” While