This feature is added after version 1.2.103011.
This option will help you to prohibit internal users to send messages trought Internet.
In this case, some user can send message outside your network, and some user not.
- To use this feature, you need MimeDefang or Amavis plugin.If you not have this plugin installed on your system, you need to install it and restart Artica service by /etc/init.d/artica-postfix restart.
- You need to enable MimeDefang or Amavis plugin in the "Plugins & Addons" section.
Enable in Amavis
- Go to Messaging
- Click on Filters (Anti-spam...)
- Select Amavisd-new icon
- Click on Filter Behavior
- Turn into green the Enable External Sent Rule

Enable in MimeDefang
- After this, go in Plugins & Addons tab section and click on MimeDefang option.
- In the MimeDefang section, click on "Main settings" Tab and "Backup & other filters" second tab.
- To enable this feature, active the option "Activate allow/disallow your Internet email users"

- Go to your Organization and choose an user you want to prohibit.
- Click on "Sender settings"
- On the new windows, check the "Allow send trought Internet" to red. This will force this user to only send email to local domains. If this user send eMail to foreign domains (not stored by Artica server), the mail will be banned.




