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Office 365 Outbound Connector Set Up

We highly recommend setting up the outbound connector in Office365 to send emails through because using smtp.Office365.com comes with some restrictions. The biggest one is a 30 message per minute rate limit which we can, and will, hit very easily. It can cause unexpected results like notifications only being partially delivered, some surveys may not reach your customers, etc.


Here are some basic instructions on how to setup the outbound connector:
1. Sign into mail.office365.com
2. In the upper left, click on the My Apps icon and click Admin to navigate to the Admin Portal
3. Once in the Admin Portal, Under ADMIN, Click on Exchange to bring up the exchange Admin Center
4. On the left-hand side, click on Mail Flow, then proceed to click on the Connectors tab
5. Click the + sign to create a new connection
** Must use ‘Your organization’s email server’, using ‘Partner organization’ will not work**

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6. In the New Connector Window, in the From Dropdown, select “Your organization’s email server.
7. In the New Connector Window, in the To Dropdown, select “Office 365:

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8. Proceed to click Next
9. Give it a meaningful name and click Next

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10. Check the “By verifying that the IP address of the sending server matches one of these IP addresses that belong to your organization” option box

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11. Click the + sign to open the Add IP Address window. Type the public IP address in the text box and click on OK

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12. Proceed to click Next then Save to save the connector

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When setting up the SMTP Client on a device, use the MX record Hostname. https://mxtoolbox.com can used to obtain that hostname, otherwise it can be found in the domain setup section of the wizard.
After you set it up please let us know the address we should be pointing to.
Thank you!

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