Revert "Fix SA scores"

This sends all gmail emails to spam, it's a bit too high.

This reverts commit 20b16f3b.

roles/mail/templates/spamassassin/local.cf

@@ -171,7 +171,7 @@ score RCVD_NUMERIC_HELO  0.5
 
 # freemail non ci piace
 score FREEMAIL_REPLYTO 0.5
-score FREEMAIL_FORGED_FROMDOMAIN 3.0
+score FREEMAIL_FORGED_FROMDOMAIN 2.0
 
 # Message has X-MSMail-Priority, but no X-MimeOLE  (1.9 mi pare troppo)
 score MISSING_MIMEOLE 0.5