This is a Social Media Marketing tool app by DigitalAdvertising.com.
Using this tool you can do auto future scheduling of posts to all Social Media channels like Twitter, Facebook, Linkedin, and Instagram all from one app.

This app will help you to save time and optimize profile management on social networks. Visually Plan, Schedule post and automation on social networks.
Whether focusing on a campaign for one brand or managing social across hundreds, this app helps agency teams be more productive by managing all their client activities from a centralized hub. Digital Postman is guaranteed to save your hours each day.
With an intuitive interface and a lot of extra features to help you create articles that are interesting and easier.