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  • bitdays.co.kr/2021/05/27/%ea%b8%80%eb%a1%9c%eb%b2%8c-saas%eb%8a%94-%ea%b8%b0%eb%b0%98-%ea%b3%a0%ea%b0%9d-%ea%b4%80%ea%b3%84-%ea%b4%80%eb%a6%ac-crm-%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8%ec%96%b4-%ec%8b%9c%ec%9e%a5-%ea%b3%b5/ (port 80)