From c1a54b5cc0889c1eb3d9ffe857c3f91788e489f2 Mon Sep 17 00:00:00 2001 From: Wolfgang Hottgenroth Date: Thu, 15 Jan 2026 13:41:12 +0100 Subject: [PATCH] doc fix --- readme.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/readme.md b/readme.md index 6f465c8..fc9659e 100644 --- a/readme.md +++ b/readme.md @@ -15,6 +15,8 @@ Four environment variables are used to configure the container: * `WHITELISTED_RECIPIENT`: Colon-separated list of whitelisted recipient domains, if empty no recipient restrictions will be applied +If `SMARTHOST` is not given, mail delivery will be done directly via MX lookup instead of using a smarthost. + ## Deployment Typically, don't expose the smtp port of this container to the default network of your Docker installation, otherwise it conflicts with a local MTA on the machine and it would be visible outside of the machine. Create a dedicated docker network, use that one as the default network for this container and connect other containers to that network. Afterwards, you can use the name of this container as smarthost address in the other containers.