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What are certificates?  

Certificates will display, under Settings within any Premium Integration Pro projects created. Certificates are part of the Domain Sharing, (also referred to as Email Rewrite Services) requirements. Certificates are used both for DKIM and TLS configurations within the environments to ensure secure message transit with TLS and proof of identity using DKIM.

Figure 1: Settings Menu for Premium Integration Pro Project


What is required to ensure secure transit of re-written emails?  

For full details about TLS certificate requirements see the SSL requirements.


What is required to ensure a re-written email’s authenticity?  

For full details about DKIM email certificate requirements see the DKIM (Email Signatures) requirements.


Where can I verify the status of my certificates?  

Existing certificates can be viewed and exported by selecting Certificates from the left navigation menu, see figure 1. The Certificates Management page will open,figure 2.

Figure 2: Certificates Management


Can I export a copy of my existing certificates?  

Yes, simply click the EXPORT action located after the Expires column, see figure 2. After clicking export you must enter the valid password for the existing certificate before exporting. Enter the password, then click Export.


Where do I manage certificates?  

Certificates are managed within your project. They are uploaded during project setup and can be removed or newly uploaded by editing your project. Follow these steps to add a new certificate or remove an existing certificate from your project setup.

  1. Login to Power365.
  2. Open the desired project.
  3. From the project dashboard click Setup.

    Figure 3: Project Dashboard Quick Menu

  4. From the project summary, click Security.

    Figure 4: Example of Project Summary Security Section

  5. The project certificate page will open.

    Figure 5: Project Wizard Certificate Management

  6. If a certificate has expired and you need to upload a new version, then simply click the X to remove the existing certificate.
  7. After removing the old certificate, click Upload to provide a valid certificate. Be sure it meets requirements. It must be in the PFX format with a valid password.
  8. After uploading the new certificate, click Next to navigate to project summary.
  9. Click Next again.
  10. Now click Skip Discovery to return to the project dashboard.


Additional Information  

Domain Sharing

Domain Sharing (ERS)

What is ERS or Domain Sharing?  

Integration Pro adds the email rewriting feature to the already rich feature set of Integration. For mergers and acquisitions, email rewriting allows a company to present a unified email address to the outside world before and after the user’s mailbox has been migrated. Domain Sharing is a key requirement for any organization utilizing more than one Microsoft 365 tenant to service their end-users.


How do I enable my users for ERS?  

Day 1 - ERS

To enable a user for Day 1 ERS, simply add them to the “BT-IntegrationPro-DayOne” group located in the source tenant. This is a cloud only group. The members of this group will be automatically replicated to their counterpart group in the target tenant.

If a user from a source domain has been added to the Email Rewriting Eligibility Group called BT-IntegrationPro-DayOne, their outbound email messages will be intercepted by the Power365 Address Rewrite Service (ERS). ERS will rewrite the message header with the target tenant’s SMTP Accepted Domain information. To the outside world, it looks as if the sender was already using a mailbox in the target tenant.

Day 2 - ERS

To enable a user for Day 2 ERS, simply add them to the “BT-IntegrationPro-DayTwo” group located in the source tenant. This is a cloud only group. The members of this group will be automatically replicated to their counterpart group in the target tenant.

If a Cutover (migrated) user is added to the “BT-IntegrationPro-DayTwo” group, any email sent from that user will appear as if they are still coming from the source mailbox’s primary SMTP address. During a merger or acquisition project, this allows a company to hide the migration process from the outside world, until all users have been migrated and the Accepted Domains can be migrated themselves.


How often does Power365 check the ERS groups for new members?  

After adding a new member to ERS, it may take up to 15 mins to be fully enabled and ready.


After User Cutover do I need to update the Day 1 Group?  

No. When a Mailbox User has been cutover and has been a member of the “BT-IntegrationPro-DayOne” group, do not remove that user from the Day 1 group after mailbox cutover. In a Premium Integration project, when an external or internal source user replies to an old message with the original source email address, it will route into the source tenant for ultimate delivery over to the target tenant mailbox (before Domain Cutover). The membership of the “Day 1” group should remain populated with the cutover user even after mailbox cutover because it will need to be rewritten before routing to the target tenant mailbox. Otherwise, if not rewritten, any reply to that delivered message would contain the source address, rather than the new target address. This, in turn, could cause end-user frustration and confusion.


Does Power365 Email Rewrite Services (ERS) rewrite the address when a “Send-on-Behalf” delegate sends a message for an enabled ERS user’s mailbox?  

Yes. Power365 ERS, sometimes called Domain Sharing supports rewriting the address of the mailbox owner and/or delegate. If ERS is enabled for both, both addresses are rewritten. If ERS is enabled for the mailbox owner, then only their address will be rewritten.


Does Power365 Email Rewrite Services (ERS) rewrite the address of Day 2 Group outbound mail when sending to a cross-tenant recipient on the source tenant with the original address?

No. The Email Rewrite Services (ERS) rewrites the email address for external recipients only.


Additional Information  

Eligibility Groups



Migrate and Navigate


How do I navigate to the project dashboard?  

The project dashboard includes overall project status statistics and summary sections covering project status, progress, errors, and migration waves. The dashboard also includes sections to quickly view the status of enabled services and other projects. Quick navigation icons are available at the top of the dashboard to go directly to project setup, settings, reports, profiles, and schedules info as well as syncing and refresh functions. Names and figures can be clicked on to view more detailed information for each item.


Does each project have its own dashboard?  

Yes. Each project has its own dashboard. The project's name and number appears in the upper left of the dashboard. To change to another project’s dashboard, select "Projects" in the navigation menu or click a project in the All Projects section.


How do I use the project dashboard?  

A visual guide to the features of the project dashboard are presented in the images below. Click on a image to enlarge the image.


Figure 1: Example Dashboard (Top) Project Status

Figure 1: Example Dashboard (Top) Project Status


Figure 2: Example Dashboard (Middle) Status by Waves

Figure 2: Example Dashboard (Middle) Status by Waves


Figure 3: Example Dashboard (Bottom) Services and Projects

Figure 3: Example Dashboard (Bottom) Services and Projects


Additional Information  


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