Solutions
Mail & Messaging Solutions
Enterprise communication, unified
Overview
SIIS deploys Microsoft Exchange Server and Microsoft 365 messaging solutions - on cloud, on-premise, or co-hosted - with AI-powered spam filtering, compliance archiving, and seamless integration with your existing infrastructure. We handle migrations from legacy platforms (Lotus Notes, Zimbra, Google Workspace) with zero downtime.
What we deliver
Microsoft Exchange Online (M365)
Full Microsoft 365 deployment with Exchange Online, Teams, SharePoint, and OneDrive. License optimization, tenant configuration, and security hardening.
On-Premise Exchange Server
Exchange Server 2019/2016 deployment with DAG (Database Availability Groups) for high availability, load balancing, and edge transport for secure mail flow.
Co-Hosted / Hybrid Exchange
Hybrid deployment connecting on-premise Exchange with Exchange Online. Seamless mailbox moves, unified GAL, and hybrid modern authentication.
Email Migration
Migration from IBM Lotus Notes, Zimbra, Google Workspace, or legacy IMAP/POP systems. Full email, calendar, contact, and archive migration with data integrity validation.
AI-Powered Email Security
Advanced threat protection, anti-phishing, safe attachments, safe links, and AI-based anomaly detection to protect against modern email threats.
Technology partners
Common use cases
Need mail & messaging solutions?
Let's discuss how SIIS can help.