Greylisting should be fine with default iRedMail settings, authenticated mail user won't be greylisted. Still no idea why it occurs on your server.
Did you modify/update Cluebringer SQL database manually?
Greylisting should be fine with default iRedMail settings, authenticated mail user won't be greylisted. Still no idea why it occurs on your server.
Did you modify/update Cluebringer SQL database manually?