About
Tenant Migration
Tenant Migration is a secure email queuing service for Office 365 and Google Workspace tenant migrations, built and operated by DuoCircle LLC, an email security company founded in 2014 and headquartered in San Diego, California. It prevents email loss during tenant-to-tenant moves with 45-day retention and Message Replay technology, and is part of the DuoCircle family of email products alongside AutoSPF, DMARC Report, and Phish Protection.
Part of the DuoCircle LLC Family
Tenant Migration is part of the DuoCircle LLC family of email products, built and run by an email security company that has been operating under the same customer-first charter since 2014. Each product solves a specific email problem for organizations the incumbents won't engage with at their price tier.
Headquarters
5965 Village Way, Suite 105-234
San Diego, CA 92130
Contact
DuoCircle Product Family
Alumni Forwarding
Enterprise Email Forwarding for University Alumni
AutoSPF
Automatic SPF Flattening & Email Authentication Management
DMARC Report
DMARC Reporting & Email Authentication Management
InboxIssue
Email Deliverability Testing
MailFlow Monitoring
Round-Trip Email Infrastructure Monitoring
NuReply
AI-Powered Cold Email Outreach
OutboundSMTP
Enterprise SMTP Relay Service
Phish Protection
Phishing Protection & Email Security
UseDMARCReport
Done With You DMARC Implementation
DuoCircle Trust
Security and compliance evidence, on request, without the procurement gauntlet.
Frequently Asked Questions
What is Tenant Migration?
Secure email queuing service for Office 365 and Google Workspace tenant migrations. Prevents email loss with 45-day retention and Message Replay technology.
Who is behind Tenant Migration?
Tenant Migration is a product of DuoCircle LLC, an email security company founded in 2014 and headquartered in San Diego, CA. DuoCircle provides email security solutions trusted by businesses worldwide.
How do I contact Tenant Migration support?
You can reach our support team at support@duocircle.com or call +1-855-700-1386. For sales inquiries, email sales@duocircle.com.