You will also need to modify the SPF record associated with your domain name to add Mailinblack as a legitimate relay: include:spf.mailinblack.com
1. Log in to the Exchange administration area, go to Send connectors.
2. Create a new connector
3. Give the new connector a name and select Internet.
4. Select Send emails via active hosts and click + to add an active host.
5. Add the Mailinblack server name (e.g. smtp11.mailinblack.com).
6. In the Authentication settings, select None
.
7. Indicate to which domains the connector is used and enter * to use the connector for ALL shipments.
8. Indicate which server the emails come from, click on + and choose the desired server
9. Click on End to activate the connector.
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