Eli Selig is widely recognized as one of the top Microsoft Exchange experts in Southern California. With deep experience dating back to the platform’s earliest days, he brings unmatched knowledge of Exchange architecture, migrations, security, and optimization. His long-standing expertise and hands-on mastery make him a trusted authority someone organizations rely on when they need Exchange done right the first time.
The Man The Myth! Eli Selig, Master of Exchange & Office 365.
Hands down, we have the best expertise in town for Microsoft Exchange
If you still have an Exchange Server in your environment.
San Diego Computer Consulting are seasoned experts in Microsoft Exchange, bringing over 20 years of hands-on experience and having built, deployed, and supported more than 400 Exchange servers. From the earliest versions like Exchange 4 to today’s modern environments, their team has navigated virtually every scenario. They are a trusted partner for organizations such as the San Diego Padres and the Houston Astros, delivering seamless migrations and upgrades with precision and reliability.
Their expertise spans migration planning, email recovery, server clustering, geographic redundancy, and full support for CAS, Hub Transport, and Edge Server roles. Known for handling complex environments with ease, they design high-availability and failover architectures that keep businesses running smoothly. Whether responding to urgent issues or planning future improvements, their team delivers clear, dependable solutions for even the most challenging Exchange environments.
Hybrid conversion planning requires an intimage knowledge of both platforms
Hosted Microsoft Exchange – Hybrid Conversion to Office 365
Migrating from on-premises Exchange to Microsoft 365 using a hybrid configuration is the most effective and least disruptive path for organizations that need continuity, control, and flexibility. At San Diego Computer Consulting, we specialize in designing and executing hybrid Exchange migrations that maintain coexistence between your local Exchange Server and Exchange Online throughout the transition. This approach allows mailboxes to be moved in phases while preserving mail flow, calendar sharing, global address lists, and user authentication. We implement and fine-tune core components such as Azure AD Connect for directory synchronization, Hybrid Configuration Wizard for secure mail routing, and proper DNS and certificate configurations to ensure a seamless experience for end users. The result is a migration where your team continues working without interruption while the backend evolves.
Here is Eli hard at work getting ready for an on-premise Exchange conversion.
Exchange Conversions take real expertise!
Hosted Microsoft Exchange – Hybrid Conversion to Office 365
Our expertise comes from years of real-world Exchange deployments and complex migrations across a wide range of environments. We handle everything from initial assessment and architecture design to mailbox migration batches, security hardening, and final cutover or long-term hybrid operation. Whether your goal is full cloud adoption or maintaining a hybrid model for compliance or application dependencies, we ensure performance, reliability, and security every step of the way. We also optimize Outlook connectivity, mobile device integration, and identity management so your users experience a smooth transition with minimal retraining. With careful planning and expert execution, we turn what could be a high-risk project into a controlled, predictable migration that positions your organization for long-term success in Microsoft 365.
BDR Backup Solutions – Zero Downtime, Maximum Resilience
San Diego Computer Consulting provides advanced BDR (Backup & Disaster Recovery) systems designed for businesses where downtime isn’t an option. Our BDR servers run live alongside your primary systems, creating continuous snapshot backups to ensure rapid recovery in the event of a failure.
🧩 Key Features:
- Always-on standby servers for immediate failover
- Snapshot-based backups that boot in minutes
- Cloud replication for offsite disaster protection
- Hardware-independent recovery for flexible restoration
BDR servers are an essential safeguard for critical environments, combining local responsiveness with offsite resilience. Whether it’s hardware failure, data corruption, or a site-wide disaster, our BDR solutions help you bounce back fast—with minimal disruption.
Let us help you build a backup strategy that’s proactive, powerful, and completely worry-free.
📬 Email Queuing with Proofpoint – No Lost Mail, No Stress
At San Diego Computer Consulting, we integrate Proofpoint Email Queuing to ensure your organization stays connected—even when your Exchange Server goes offline. If downtime occurs for any reason, Proofpoint automatically queues all incoming email and delivers it once your server is back up.
🔄 Why This Matters:
- Zero email loss during server outages
- Seamless delivery once Exchange is restored
- Peace of mind for your business continuity
- Fully automated queuing—no manual steps required
Whether it’s a scheduled maintenance window or an unexpected disruption, Proofpoint’s queuing keeps your communications intact and uninterrupted.
Stay protected, stay productive—with email queuing you can count on.
ProofPoint Email Security
🔐 Proofpoint Email Security – Enterprise-Grade Protection for Every Inbox
At San Diego Computer Consulting, every client email account is fortified with Proofpoint Email Security—a top-tier solution trusted across industries. Proofpoint delivers unparalleled defense by layering multiple filters and scanning technologies to stop threats before they reach your inbox.
🛡️ Comprehensive Protection Includes:
- Anti-Virus Scanning – Detects and neutralizes malware attachments
- Spam Filtering – Keeps clutter and junk email at bay
- Imposter Filtering – Blocks spoofed and fraudulent senders
- URL Defense – Sandboxes suspicious links and embedded applications
- Attachment Defense – Evaluates reputation and behavior to flag dangerous files
This intelligent, multi-layered approach ensures that phishing attempts, ransomware, and malicious payloads don’t stand a chance.
Proofpoint doesn’t just protect email—it protects your business. And we make sure it’s always working for you.
Need help with Exchange to Office 365 Migration?
📦 Office 365 Migration – Seamless, Secure, Expert-Led
Thinking about moving to Microsoft Office 365? Let the seasoned professionals at San Diego Computer Consulting lead the way. With over 150 successful migrations under our belt, we know the fine details that make all the difference.
🔧 Why Choose Us:
- Deep expertise in the entire migration process
- Zero data loss guarantee with built-in safety nets
- Strategic use of Proofpoint’s 30-day email replay ensures a smooth transition even if issues arise
We don’t just transfer your email—we transition your entire organization with confidence, clarity, and minimal disruption.
Move smarter. Move securely. Move with the experts.







