What is eSputnik and how does it function? eSputnik is a marketing automation solution that operates on the cloud. It allows users to create and oversee multi-channel marketing campaigns, including SMS, email, web push notifications, and Viber messenger. With eSputnik, users can easily generate personalized emails that effectively engage and convert customers, without the need for programmers, designers, or web developers. It’s important to note that eSputnik strictly prohibits spam. If you’re seeking a system for sending inexpensive unsolicited emails, this is not a suitable option.