TRUSTED BY 10,000+ BUSINESSES SINCE 2014

Never Lose an Email During Your Office 365 or Google Workspace Migration

The enterprise-grade email protection service that queues your messages safely for up to 45 days while you complete your tenant migration. Zero email loss guaranteed.

100% Email Protection

No messages lost, ever

SOC 2 Certified

Enterprise security standards

Simple Setup

Live in 15 minutes

One Fixed Price.

Get Started View Email Queuing Features

Why Email Queuing is Critical During Tenant Migrations

The Problem
  • Email loss during tenant deletion and recreation (4-8 hour lag before domain can be re-added)
  • Configuration errors causing bounced emails
  • No second chances when delivery fails
  • NDR notifications confuse original senders
Our Solution
  • Instant queuing - emails captured immediately
  • Geographic diversity - USA & EU zones
  • Prevents NDRs to original senders
  • Real-time queue management portal
  • Fully cloud-based SOC 2 certified platform

No Hidden Costs. NO SURPRISES.

One fixed price for complete peace of mind during your migration

No one ever got fired for using TenantMigration.com

How Tenant Migration Works

1

Update MX Records

Point your domain's MX records to our servers to start capturing emails immediately

2

Configure Destination

Set up your new server to accept emails from our IP addresses

3

Release & Deliver

Once ready, release queued emails for safe delivery to your new server

Migration Timeline

Follow this step-by-step timeline to ensure a smooth and secure email migration process with zero data loss.

48 hours before
Pre-Migration Planning
  • Update DNS TTL to 600 seconds
  • Update IP allow list for our IPs
  • Back up existing MX records
  • Evaluate spam/virus filtering settings
2 hours before
Migration Initiation
  • Login to client portal
  • Update DNS to custom mailhop.org MX
  • Confirm emails queuing (blue arrow icon)
  • Remove other MX records
During migration
Active Migration
  • Review message log for queuing confirmation
  • Send test message
  • Emails queue for up to 45 days
After migration
Post-Migration Verification
  • Confirm IP allowlisting
  • Verify users/groups/settings
  • Update destination server
  • Verify email delivery (green arrow)
  • Update MX records to new tenant
24 hours after
Final Cleanup
  • Review logs for any remaining emails
  • Remove custom mailhop.org MX
  • Close your account - all data and backups are securely deleted
Important Migration Notes

Blue Arrow = Queuing Active

When you see the blue arrow icon in the message log, emails are being safely queued and stored.

Green Arrow = Delivery Active

The green arrow indicates emails are being delivered to your new tenant successfully.

Email Queuing Service Features

Geographically Diverse Zones
USA and EU zones with regional selection for GDPR compliance and optimal performance
Real-Time Portal
Real-time portal to view and release queued messages with a single click
24/7 availability
24/7 availability to store emails when your main server is down
Unlimited mailboxes
Unlimited mailboxes and forwards
Works with any email system
Compatible with Office 365, Google Workspace, Exchange, or any email server
45-day retention
Emails held up to 45 days or until account termination
Message Replay
Safety net technology for redelivery when initial delivery fails - giving admins a second chance
High-capacity servers
High-capacity servers for large volumes of emails
Email Authentication Preserved
SPF, DKIM, and DMARC records handled correctly for seamless delivery

24×7 Expert Support

Our technical experts are available around the clock to ensure your migration succeeds

Phone Support

1-866-925-2669

Email Support

support@tenantmigration.com

Live Chat

Instant help when you need it

Visit Support Portal

Simple, Transparent Pricing

Email Forwarding
Zero downtime migration

$747

One-time fee

  • Forward to placeholder emails
  • Or to .onmicrosoft.com accounts
  • Zero downtime migration
  • Immediate email delivery
  • No queuing required
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Default Configuration
Tenant Migration Queue
Seamless email queuing with zero configuration

$647

One-time fee

  • No user definition required
  • Messages queue automatically
  • Emails held up to 45 days or until termination
  • Message Replay safety net
  • No NDR notifications
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Hybrid Approach
Best of both worlds

$747

One-time fee

  • Forward high-value emails (CEO, support)
  • Queue all other emails
  • Zero downtime for critical addresses
  • No need to define every user
  • Endlessly flexible
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Manual configuration required - contact support

All Plans Include:

SOC 2 Type II

DPA Available
Cloud Services Terms

Security Questionnaires

Have more questions?

Schedule a Call

Get Your Free Migration Planning Guide

Learn the complete step-by-step process for a successful tenant migration. Includes checklists, timelines, and best practices from 10,000+ successful migrations.

Download Migration Guide (PDF)

No email required • Instant download

Frequently Asked Questions

Important: We are an email queuing service only. We do NOT migrate files, users, data, calendars, contacts, or any other tenant information. We specifically handle email queuing during your tenant migration to ensure no emails are lost while you move everything else. Think of us as a temporary mailbox that holds your mail while you're moving to a new address.

Contact Us

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