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Originally Posted by inigoml We didn't change it. Defaults for zimbra, that is, 6.6/15.
You are right. Lowering to 5.5 could improve recall, but would damage precision...
Anyway this is our first week with all company "zimbraed", we will continue adjusting these values.  |
For the record we run with 4 so even lower and that works very well. I wonder if you'd get same/better spam protection if you just trained Zimbra a little and then slowly lowered the values.