SpamAssassin can't do it, it has to be done where SA is called in the first place. It's in easy in some systems (procmail, maildrop), but maybe hard in some others (spamass-milter).
Alex Aminoff wrote: > I have searched and searched and cannot find a configuration directive > that you can put in .spamassassin/user_prefs that simply turns off > spamassassin entirely for that user - meaning that SA will immediately > return with exit code 0. In the FAQ it says to whitelist the user, > but I would prefer not to have to incur the CPU cost of processing > all those regexps if the user does not want it. > > What is the right way to do this? > > I guess I am not the only one wishing to do this as these folks seem > to have developed their own solution: > > http://www.ccs.neu.edu/howto/howto-spamassassin.html#using > > We have SpamAssassin.pm version $VERSION = "3.001008" > spamass-milter 0.3.1_3 > sendmail 8.14.1 > > on a FreeBSD 6.2 system > > - Alex Aminoff > BaseSpace.net > National Bureau of Economic Research (nber.org)