Choose the most correct statements about SMTP/ESMTP. ()

A .  Open mail relays are often used for spamming. B .  ESMTP does NOT provide more security features than SMTP C .  SMTPdoes provide authenticated email sending." D .  Worms often spread via SMTP.

时间:2022-10-17 23:30:42 所属题库:CCIE(350-018)题库

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