Which three are necessary for antispam to function properly on a branch SRX Series device? （）(Choose three.)
- A、an antispam license
- B、DNS servers configured on the SRX Series device
- C、SMTP services on SRX
- D、a UTM profile with an antispam configuration in the appropriate security policy
- E、antivirus (full or express)
正确答案:A,B,D
答案解析:有
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