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Disable greylisting in Cluebringer

Warning

Cluebringer has been removed from iRedMail since iRedMail-0.9.3, if you're still running Cluebringer, please follow our tutorial to migrate to iRedAPD: Migrate from Cluebringer to iRedAPD.

Find Cluebringer config file cluebringer.conf on your server with this document: Locations of configuration and log files of major components
Find below lines in cluebringer.conf:

[Greylisting]
enable=1

To disable gryelisting, please change enabled=1 to enabled=0, then restart Cluebringer service.