Dockerfile for Haraka designed for easy local plugin development
$ docker-compose build
$ docker-compose up # -d for background
$ docker run -it --rm -v $(pwd)/haraka:/haraka haraka -c /haraka -p plugin_name
$ docker exec -it mail_haraka_1 swaks -t target@email.com -f from@email.com --auth CRAM-MD5 --auth-user youruser --server localhost