Your article http://kb.parallels.com/en/1678 says:
Yet opening that file on a plesk 11.* server says:
So which is it? Safe to modify or DO NOT MODIFY?
You can add your own template to /etc/mail/spamassassin/local.cf. As example use the one from /usr/share/spamassassin/10_misc.cf
Yet opening that file on a plesk 11.* server says:
#ATTENTION!
#
#DO NOT MODIFY THIS FILE BECAUSE IT WAS GENERATED AUTOMATICALLY,
#SO ALL YOUR CHANGES WILL BE LOST THE NEXT TIME THE FILE IS GENERATED.
So which is it? Safe to modify or DO NOT MODIFY?