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Email Appliance - Blocking Top Level Domains

What is the best way to block all emails with sender addresses in unwanted country code top level domains, like blocking all emails from .cn .ru .hk etc.?

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  • The policy rule approach does not seem to work but that could be because I am not writing the regular expression correctly.

    Blocking connections or redirecting messages from top level domain country codes would be extremely useful in cutting down spam for organizations that do not do business outside of their own country or region. Sophos should look into adding this feature.

    :34705
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  • The policy rule approach does not seem to work but that could be because I am not writing the regular expression correctly.

    Blocking connections or redirecting messages from top level domain country codes would be extremely useful in cutting down spam for organizations that do not do business outside of their own country or region. Sophos should look into adding this feature.

    :34705
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