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How do I enable reverse DNS lookup in Exim?

April 26, 2017DNS enable Exim lookup reverse

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How do I enable reverse DNS lookup in Exim?

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To enable reverse DNS lookups in Exim, you would edit your exim configuration file (usually /etc/exim.conf) and add the following towards the top of the file:host_lookup = 0.0.0.0/0This will perform a reverse lookup for all incoming connections.