Quote --
- The "rewrite_subject" configuration setting was deprecated and is now
removed. Instead, use "rewrite_header Subject [your desired setting]".
e.g.
rewrite_subject ****SPAM(_SCORE_)****
becomes
rewrite_header Subject ****SPAM(_SCORE_)****
-- end quote
No released version of SA that I know of ever used the former syntax.
Up to at least 2.60, it was:
rewrite_subject { 0 | 1 }
That is, a boolean, not a score value. I think the documentor has
conflated subject_tag with rewrite_subject, and I assume subject_tag
is also deprecated.