Base install and postfix->ses management in ec2 based on:

knife ec2 server create -I $ami -f m1.small -G default -x ubuntu -r 'role[aws-base]' -E $env -i ~/.ssh/$key -S default -N $hostname.$availability_zone.$domain --region $region -Z $availability_zone -j '{"$company": {"fqdn": "$host.$availability_zone.$domain.com", "hostname": "$hostname", "domain": "$domain"}}'

Joshua