IBM Verse On-premises is next-generation email software that provides the same experience as the cloud version of Verse for IBM Domino customers. It requires IBM Domino 9.0.1 with Fix Pack 7 and supports Windows and Linux servers. Verse On-premises installs additional search and API elements and can integrate with IBM Connections. Key features include intelligent mail handling, calendar management, and ability to collaborate through communities and files sharing when integrated with Connections.