Exim

Spam-fu

wget -O /scripts/spamfu.sh  http://layer3.liquidweb.com/scripts/spamfu.sh 
chmod +x /scripts/spamfu.sh
/scripts/spamfu.sh

Clear Bouncebacks

exiqgrep -i -f '<>' | xargs exim -Mrm

Reset maildirs size

/scripts/generate_maildirsize --allaccounts --confirm