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Our Domino server is open for mail relay. I would like to disable it. I have made the necessary changes in the server configuration document but still its open for relay. Any help would be appreciated. I have attached the screenshot of configuration and the test result.

Server Configuration

Test result

Keertika
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  • Your configuration looks ok. Did you do your test from outside of 151.117.*.* network? Did you restart the router or the complete server after the configuration changes? – Tode Sep 08 '22 at 14:58
  • I restarted router, SMTP, http, domino server and even the host. I performed the test using command prompt in the host machine 151.117.212.123 – Keertika Sep 08 '22 at 15:32
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    But your Router configuration ALLOWS relay from all 151.117.*.* addresses (Field "Exclude these connecting hosts from anti-relay checks")... This test makes no sense: Router works as designed/configured – Tode Sep 08 '22 at 16:02
  • What should be the value for the Field "Exclude these connecting hosts from anti-relay checks" so that our host server 151.117.212.123 disables relay ? – Keertika Sep 08 '22 at 16:46
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    You just put in the ip addresses or hostnames that ARE allowed to relay. If nobody should be allowed to relay then leave this field empty – Tode Sep 09 '22 at 07:01
  • Just read the [documentation](https://help.hcltechsw.com/domino/11.0.0/conf_restrictingsmtpinboundrouting_c.html), lot of stuff to read but might help... – Tode Sep 09 '22 at 07:21

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