From source:
HOST_NAME=`echo red-dolphin.3pp.io`
sudo echo hostname is $HOST_NAME
sudo docker build -t michielbdejong/mail .
sudo docker run -h $HOST_NAME michielbdejong/mail /install/init.sh
sudo docker commit `sudo docker ps -lq` my-mailserver-with-passwords
sudo docker run -d -h $HOST_NAME -p 25:25 -p 465:465 -p 993:993 -p 995:995 my-mailserver-with-passwords /install/run.sh
From index:
HOST_NAME=`echo red-dolphin.3pp.io`
sudo echo hostname is $HOST_NAME
sudo docker pull michielbdejong/mail
sudo docker run -h $HOST_NAME michielbdejong/mail /install/init.sh
sudo docker commit `sudo docker ps -lq` my-mailserver-with-passwords
sudo docker run -d -h $HOST_NAME -p 25:25 -p 465:465 -p 993:993 -p 995:995 my-mailserver-with-passwords /install/run.sh