FreakyBytes / postfix-relay-docker

Docker image with Postfix, preconfigured as mail relay

Postfix Relay

This is a Docker Image containing the Postfix MTA, preconfigured so it is easy to use as mail relay for docker other container.

Use the Image

The behaviour of the mail relay can be controlling using a few environment variables:

• PF_HOSTNAME: The hostname of the mail relay. Used for the HELO command
• PF_RELAY_HOST: Another mail server, to which the mails should be relayed
• PF_USERNAME: SMTP Username for the relay
• PF_PASSWORD: SMTP Password for the relay
• PF_ALLOWED_NETWORK: Space separated list of allowed networks (cf. mynetworks)

If PF_USERNAME and PF_PASSWORD are not provided application do not need to authenticate to the the Relay Server.

Build the Image

Simply run

docker build -t freakybytes/postfix-relay .