MX Spooler Service to avoid NDRs and bounced emails: 2-Wk Professional Service

In the realm of tenant-to-tenant migrations within Microsoft 365, ensuring the seamless flow of emails is paramount. Our MX Spooler Service plays a pivotal role in this process, safeguarding against NDRs and bounced emails that can disrupt communication during domain transfers. By preventing these issues, we enhance the overall efficiency of your Microsoft 365 operations, ensuring that all emails consistently and reliably reach their intended destinations. This, in turn, helps maintain uninterrupted business communication and fosters a productive digital environment.

DESCRIPTION

Every day people send and receive billions of emails, which makes an email one of the most important business tools. Sometimes during acquisitions and mergers organizations must deal with tenant-to-tenant migration which involves the migration of mailboxes and service settings from one Microsoft 365 tenant to another one.

Email is a fast, cheap and accessible method of business communication. Therefore, it is crucial for companies to avoid situations with NDRs (non-delivery reports) and bounced emails that can occur when moving an email domain between tenants. We use MX Spooler Service to prevent your clients from receiving NDRs and help you ensure that all their emails successfully reach your mailboxes.

IT PARTNER RESPONSIBILITIES

1. Set up comprehensive mail storage.
2. Create necessary transport rules and connectors inside the client's tenant.
3. Provide the required information about the changes to the MX record.
4. Check and confirm the email flow works fine.
5. Perform necessary steps to redirect the email flow to MX spooler service for temporary email hold.
6. Release emails and ensure they are delivered to the client’s tenant.

CLIENT RESPONSIBILITIES

1. Perform the required MX changes.
2. Provide access to DNS management system if necessary.

PREREQUISITES

1. Microsoft 365 Tenant to tenant migration project.
2. Access to DNS management for all required email domains.

PLAN

1. Analyse the project and migration plan.
2. Configure the MX Spooler Service.
3. Set up a source tenant to work with MX spooler service.
4. Change MX records.
5. Stop the mail flow and limit email accumulation during the domain transfer.
6. Release emails.
7. Change MX records back.

SUCCESS CRITERIA

1. MX Spooler service was used during the migration process.
2. No incoming emails were lost during the migration process.

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