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Block All Domains Whitelist Select Domains

Discussion in 'E-mail Discussion' started by dude9er, Nov 12, 2013.

  1. dude9er

    dude9er Registered

    Nov 12, 2013
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    In cPanel how do you set up filtering to BLOCK all domains for both inbound and outbound emails and whitelist my company domains. I am looking to only allow inbound and outbound emails to be sent from 4 company domains and block employees from receiving and sending emails from all other domains. Emails are to be used for business purposes only and therefore all non-business domains need to be blocked.

    Thanks everyone.
  2. cPanelMichael

    cPanelMichael Technical Support Community Manager
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    Apr 11, 2011
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    Hello :)

    It may be easier to setup this configuration with firewall rules instead of custom Exim ACL rules. You may want to try ensuring that only local connections are allowed for mail-related services. Or, you could also block a range of IP addresses (every range except your own) under "Access Lists" in "WHM Home » Service Configuration » Exim Configuration Manager".

    Thank you.
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