About DuoCircle
Enterprise email security and reliability solutions since 2014
DuoCircle LLC is a California-based technology company specializing in enterprise email security and reliability solutions. Founded in 2014, we've built our reputation on providing rock-solid email infrastructure services that businesses can depend on during critical operations.
Our flagship service, Tenant Migration, was born from recognizing a critical gap in the market: businesses needed a reliable way to ensure zero email loss during Office 365 and Google Workspace tenant migrations. What started as a solution to a specific problem has grown to serve over 40,000 customers worldwide across all our products.
Mission: To provide enterprise-grade email security and reliability solutions that are simple to implement, affordable for all businesses, and backed by exceptional support.
Core Values
- •Reliability First: Email is mission-critical. We design every system for maximum uptime and zero data loss.
- •Security by Design: SOC 2 Type II certified, with security built into every layer of our infrastructure.
- •Simple Solutions: Complex problems don't require complex solutions. We make enterprise tools accessible.
- •Transparent Pricing: One price, no hidden fees, no surprises. Business should be straightforward.
DuoCircle is powered by a dedicated team of email infrastructure experts, security professionals, and support specialists. Our team brings decades of combined experience in enterprise email systems, cloud migrations, and cybersecurity.
24/7 Support Team
Our support team is available around the clock because email doesn't stop. Whether you're migrating at 2 PM or 2 AM, we're here to ensure your success. Every team member is trained on enterprise email systems and can provide expert guidance throughout your migration.
Tenant Migration
Our flagship email queuing service ensures zero email loss during Office 365 and Google Workspace tenant migrations. With Message Replay technology and 45-day retention, it's the safety net every migration needs.
AutoSPF
Automated SPF record management that keeps your email authentication up-to-date as your infrastructure changes. Prevent email delivery issues caused by SPF failures. Visit AutoSPF for automated SPF management
DMARC Report
Comprehensive DMARC reporting and analysis to help you understand and improve your email authentication. Monitor your domain's email security and prevent spoofing. Visit dmarcreport.com
Additional Services
DuoCircle also provides enterprise email filtering, backup MX services, and custom email routing solutions for businesses with complex email infrastructure needs.
Phone: 1-866-925-2669
Email: support@tenantmigration.com
Support Portal: support.tenantmigration.com
DuoCircle LLC is a California corporation committed to providing world-class email infrastructure services to businesses globally.