... Go to your top MAIL (or Mail) directory, then say: . ... exec egrep From: {} \; | awk '{print $NF}' | ... awk '{print "whitelist_from", $0}' . and capture it in your ~/.spamassasin/user_prefs file . This is the first one I got, and I used it, and it worked! ... From Guenter Eichorn: A perl script, . From Ben Maughan: . ... cat ~/.addressbook | perl -e 'foreach ( ){chomp; my @a=split /\s+|,/, $_; foreach my $f (@a){next unless $f=~/\@/; $f=~s/\ |\(|\)//g; print "$f\n";}}' | ...