Yesterday, i have been wrote article about how to install/enable Policyd on Zimbra 8.5. The following article can read at this link http://imanudin.net/2014/09/08/how-to-install-policyd-on-zimbra-8-5/. Now., i am will describe how to configure rate limit sending message with Policyd. Why we must configuring rate limit sending message? If there user have compromised password, spammer will sending email to outside ..