Anyone knows a script or software for CentOS and Windows that can be installed onto dedicated servers with no control panel limiting emails per hour per IP or full block.
Thanks in advanced!
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You forget to mention what SMTP server you are using. If using Postfix you'll have some build-in features like http://www.postfix.org/postconf.5.html#smtpd_client_message_rate_limit to reduce the number of messages a client can send along with http://www.postfix.org/postconf.5.html#anvil_rate_time_unit to specify a period of time to monitor.
As far as i know there are no scripts nor interfaces to manage these settings in Postfix.