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  1. isbellb1

    SMTPD Client Restrictions hash vs. cidr

    I'm running Postfix mail_version = 2.2.5 over RedHat Enterprise 3 I've recently had the need to create a blocked list based on a range of IP's. Currently I'm using a hash file to add single IP's and domain names I want to block. I've not been able to add ranges of IP's. i.e. 1.2.3.4/25 or...

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