> My spamassassin version is 3.2.5. I go to > /var/lib/spamassassin/3.002005/updates_spamassassin_org > and edit 50_scores.cf and edit FORGED_MUA_OUTLOOK and set > it to 0. > > Is this the correct way to edit default rules or I have > to put it on local.cf?
You should do the score in local.cf You can just enter a new score there, not the whole rule. That way, the setting remains. If you edit the original setting, it will get rewritten on a later update.