# docker container: postfix docker hub: https://hub.docker.com/r/fphammerle/postfix/ dockerfile repo: https://git.hammerle.me/fphammerle/docker-postfix config notes: https://git.hammerle.me/fphammerle/config-postfix/src/master/README.md ```sh sudo docker run --detach \ --security-opt=no-new-privileges \ --volume /dev/log:/dev/log \ --env POSTFIX_RELAYHOST=relayhost.example.com:submission \ --env POSTFIX_RELAY_DOMAINS=example.com \ --publish 127.0.0.1:25:25 \ --restart unless-stopped \ --name postfix \ fphammerle/postfix:3.3.0-amd64-relay-secure ``` optional: enable usernamespace mode via daemon option `userns-remap`