Constant Contact is the biggest rival of Return Path. Constant Contact is headquartered in Waltham, Massachusetts, and was founded in 1995. Constant Contact is in the field. Constant Contact generates ∞% the revenue of Return Path.
CheetahMail is Return Path's #2 competitor. CheetahMail is a Private company that was founded in Chicago, Illinois in 01/1998. CheetahMail is in the industry. CheetahMail has 166 more employees vs. Return Path.