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Outbound Mail with Multiple O365 Domain

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#1 Chris Knight

Chris Knight
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Posted 17 November 2016 - 09:01 AM

I have two domains configured in Office 365. For outbound mail routing, there's currently a single connector, configured as:

 

From: Office 365

To: Partner Organization

Use: All domains

Route Mail: Through smart hosts (MXLogic)

 

As part of moving this from MXLogic to ESS, can I put both outbound mail servers for the domains in the connector? That's how it currently is for MXLogic. Otherwise, do I have to create rules to route specific source domains through specific connectors? I started looking at that, but when I try to route to a connector, it tells me there are no connectors available. Is that due to the type of connector?

 

Any help sending from multiple domains in Office 365 through ESS is appreciated.



#2 Scott Gagnon

Scott Gagnon
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Posted 17 November 2016 - 09:16 AM

Hello Chris,

 

You will only need to use one of the Domain Outbound MX Records provided in your Out Mail Flow Connector on O365.

 

Please contact Barracuda Support if you haven't already for them to enable your Domains for use with O365. (This can only be enabled by Barracuda Support)

 

https://campus.barra...omplianceStep2/

Step #7 & Step #8

 

Scott


Scott Gagnon

Lead Support Engineer

Ann Arbor, Michigan


#3 Chris Knight

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Posted 17 November 2016 - 09:18 AM

Thanks Scott. I did contact Support and have them enable Office 365.