postfix限制使用者流量 - Linux

By Rosalind
at 2017-12-05T21:28
at 2017-12-05T21:28
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請問有什麼有效的方法能夠限制postfix中同一個使用者在一定時間內的流量嗎?
我們系上的 mail server 是架在Cent OS 6 上,最近半年發生兩次使用者帳號被盜,大量發送垃圾信,結果server被列在黑名單上,都是到了信件寄不出去才發現,有辦法即時監控嗎?
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