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How do I set up Kerio to send messages through the outgoing filter?

In this article we describe how you can set up the outbound filter on your Kerio server in a few steps. By following the steps below, you will redirect all outgoing messages from your server to our filtering cloud.


Make sure that the IP address of your mail server has been created as outgoing user in EuropeanMX. For instructions on how to set up an outgoing user, please refer to our FAQ article "How do I set up an outgoing user?".


Make sure that the correct limits are set for the outgoing user in EuropeanMX. 


Log in to the admin interface of Kerio Connect.


Expand the configuration and click on "SMTP Server" and then switch to the tab "SMTP Delivery".


Select the option "Use Relay SMTP Server".


Enter the hostname "" and ensure that you use port 587.


Ensure that you have disabled the option "Server requires authentication".


Select "Use SSL/TLS" if your server supports it.

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