The Anti Spam modules does not only block spam from entering to your network but it also have the ability to customize based on requirement to filter out email that sent from certain domain and most likely from those free webmail domain.

In this write up will show you on how to block email from Hotmail, Gmail or Yahoo domain being rejected by Cyberoam at the gateway level before reaching internal mail server. Please take note that this only works when you hosted your own mail server.

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