Updated rules can be found here:
https://developer.mozilla.org/en/Mailnews_and_Mail_code_review_requirements
The global mozilla.org super-review policy page
(http://www.mozilla.org/hacking/reviewers.html) will also soon be updated.
Note: that the suite/ and calendar/ directories have their own rules still:
http://www.seamonkey-project.org/dev/review-and-flags
https://wiki.mozilla.org/Calendar:Review_Process
Mark.