Email Migration Services Without Losing Mail or Missing Deliverability

We migrate business email between providers — preserving mailboxes, folders, and calendar data while protecting deliverability through proper DNS and authentication setup.

Email Migration Mistakes Show Up as Missing Mail and Spam Folders

Email migrations go wrong in two ways — lost historical mail, and deliverability problems from misconfigured SPF, DKIM, or DMARC records after the move. We handle both carefully so your team keeps their history and your email keeps landing in inboxes.

Why Choose NIMU for Email Migration

Full Mailbox Migration

Emails, folders, contacts, and calendars migrated without data loss.

Deliverability Protection

SPF, DKIM, and DMARC records configured correctly on the new provider.

Minimal Disruption

Migration scheduled and staged to minimise mail flow interruption.

Multi-User Coordination

Coordinated migration across every user account in your organization.

Client Reconfiguration

Support reconfiguring email clients and mobile devices post-migration.

Documentation & Handover

Clear documentation of the new setup for your IT team.

What We Deliver

A comprehensive suite of capabilities packaged into every engagement.

1

Provider-to-Provider Migration

Migrating between email providers such as Google Workspace and Microsoft 365.

2

DNS & Authentication Setup

Configuring SPF, DKIM, and DMARC records for deliverability on the new provider.

3

Mailbox & Calendar Migration

Migrating full mailbox history, folders, contacts, and calendar data.

4

Client & Device Reconfiguration

Supporting users through reconfiguring email clients and mobile devices.

Our Delivery Process

A proven, transparent process that keeps your project on time and on budget.

1

Migration Planning

Planning the migration schedule and DNS cutover strategy.

2

DNS & Authentication Setup

Configuring SPF, DKIM, and DMARC before migrating mail.

3

Mailbox Migration

Migrating mail, contacts, and calendars for every user.

4

Cutover & Support

Switching MX records and supporting users through the transition.

Frequently Asked Questions

Everything you need to know before getting started.

No, we migrate full mailbox history including folders, and verify email counts match before and after migration.
Only if configured incorrectly — we set up SPF, DKIM, and DMARC records properly on the new provider specifically to protect deliverability.
Yes, we coordinate migration across all user accounts, typically in batches to manage risk and support load.
Yes, we provide support reconfiguring email clients and mobile devices for the new provider.
Ready to Start?

Let's Build Your Email Migration Solution

Get a free consultation with our experts and a tailored proposal within 48 hours.

Start Your Project All Services