/usr/local/etc/rc.d/exim stop
cd /usr/ports/mail/exim
make extract
make patch
cp EDITME.txt to work/exim-4.30/src/EDITME
mkdir /usr/local/etc/exim
touch /usr/local/etc/exim/configure
make build
make install
cp /usr/sbin/exim /usr/sbin/exim.old
cp /usr/sbin/exim-4.30-2 /usr/sbin/exim
rm /usr/local/etc/rc.d/exim.sh
/usr/local/etc/rc.d/exim start