Explanation
<ul><li><span style="font-size: 14px;">Domino (Lotus Domino) – LAN-based messaging/groupware server</span></li><li><span style="letter-spacing: 0.01rem;">Exchange (Microsoft Exchange) – LAN-based email and messaging server</span></li><li><span style="letter-spacing: 0.01rem;">GroupWise (Novell GroupWise) – LAN-based messaging and collaboration system</span></li><li><span style="letter-spacing: 0.01rem;">IIS (Internet Information Services) – ❌ Not a messaging system; it is a web server used for hosting websites and web applications</span></li></ul>