2021-01-11 16:59:04 +01:00
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IPs can be removed from Postscreen and therefore _also_ from RBL checks in `data/conf/postfix/custom_postscreen_whitelist.cidr`.
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Postscreen does multiple checks to identify malicious senders. In most cases you want to whitelist an IP to exclude it from blacklist lookups.
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The format of the file is as follows:
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`CIDR ACTION`
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Where CIDR is a single IP address or IP range in CIDR notation, and action is either "permit" or "reject".
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Example:
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```
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# Rules are evaluated in the order as specified.
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# Blacklist 192.168.* except 192.168.0.1.
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192.168.0.1 permit
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192.168.0.0/16 reject
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```
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The file is reloaded on the fly, postfix restart is not required.
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