+ if [ ! -f "$file" ]; then
+ set +x
+ echo
+ echo "Keyfile $file does not exist."
+ exit 1
+ fi
+ cp ~/config/systemfiles/opendkim.conf /etc/opendkim.conf
+ sed -r -i 's/^#Selector .*$/Selector '$selector'/' /etc/opendkim.conf
+ mkdir -p /etc/opendkim
+ if [ -f /etc/opendkim/dkim.key ]; then
+ cp /etc/opendkim/dkim.key /etc/opendkim/dkim.key~
+ fi