Regarding the SMTP authentication mechanisms control, Axigen allows the selection of the advertised authentication mechanisms for the SMTP service as well, below we will present the required steps to configure Axigen's SMTP service authentication mechanisms:

- Login to the Webadmin interface.

- Click the Security & Filtering button.

- Click the Acceptance & Routing link.

- Click the Advanced settings tab.

- Click the Add Advanced / Routing rule button.

- Type a name for the rule (ex.: dis_plain_auth).

- In the Conditions section select the Is ESMTP item found in the Connections category and click the Add condition button.

- Enable the Settings check-box present in the newly added condition.

- In the Actions section select the Plain connections item found under the Authentication category and click the Add condition button.

- Check the desired authentication mechanisms. 

- Click the Save configuration button to save and apply the new rule.