Route mail between Office 365 and a GoDaddy email server

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Regular Visitor

I have @mydomain.com mailboxes in two places; some mailboxes in Office 365, and some are on a GoDaddy email server.  This article, "Set up connectors to route mail between Office 365 and your own email servers" suggests that I could setup a connector so that some @mydomain.com mailboxes could be on the GoDaddy email server, and some @mydomain.com mailboxes could be on Office 365 - but all mailboxes would be @mydomain.com email addresses.  

 

Is this true, or do all @mydomain.com mailboxes need to be hosted on Exchange Online?

 

p.s. My use case is that I have some contractors with @mydomain.com mailboxes, and it is really cheap to host those mailboxes with GoDaddy compared to buying them all Exchange Online accounts.

1 Reply
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Yes, you can do this, though not a best practice, you can point your MX to O365 and then set up a connector with transport rule (CBR) to route all emails for contractors to that connector...

This might be helpful in creating Transport Rule and connector:-

https://help.bittitan.com/hc/en-us/articles/115008260168-How-do-I-set-up-mail-routing-on-Office-365-...