From 67e68970d04c412ef8a89c40aceac4db0ac08d07 Mon Sep 17 00:00:00 2001 From: turboaaa Date: Sun, 17 Mar 2019 17:19:22 -0400 Subject: [PATCH] Update README.md --- README.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/README.md b/README.md index b9a015f..a175365 100644 --- a/README.md +++ b/README.md @@ -36,6 +36,9 @@ The following env variables need to be passed to the container: The following env variable(s) are optional. * `SMTP_HEADER_TAG` This will add a header for tracking messages upstream. Helpful for spam filters. Will appear as "RelayTag: ${SMTP_HEADER_TAG}" in the email headers. +* `SMTP_NETWORKS` Setting this will allow you to add additional, comma seperated, subnets to use the relay. Used like + -e SMTP_NETWORKS='xxx.xxx.xxx.xxx/xx,xxx.xxx.xxx.xxx/xx' + To use this container from anywhere, the 25 port or the one specified by `SMTP_PORT` needs to be exposed to the docker host server: docker run -d --name postfix -p "25:25" \