Correspondence Management System Market by Component (Software, and Services); By Deployment Model (On-Premises, and Cloud); By Delivery Channel (Email-Based, Web-Based, and SMS/MMS-Nased); By Organization Size (Large Enterprises, and Small and Medium-Sized Enterprises); By Application (Mailroom Automation, Diplomatic Bag, and Engineering Document Control); By Industry Vertical (BFSI, Government And Public Sector, Telecom and IT, Retail and Ecommerce, Manufacturing and Automotive, Real Estate, H