Bojan Čekrlić aa66569ac1 Major update, better support for handling TLS connections. ... This update includes a few features that make it easier to work with relay hosts. The configuration now uses built-in (Alpine) TLS certificates and allows the user to specify how the Postfix should establish a TLS connection. Configure it using `RELAYHOST_TLS_LEVEL`, if needed. Another configuration option was added, `MESSAGE_SIZE_LIMIT`, which enables you to reject messages exceeding certain limits. Especially useful with relay servers, to prevent messages getting stuck in Postfix queue. Use the `INBOUND_DEBUGGING` parameter to enable additional postfix logs for incoming messages when things go south. Use `TZ` parameter to set the timezone of the container (especially useful for logs and dates in the messages). *Notice that `ALLOWED_SENDER_DOMAINS` is now a neccessary parameter.* Turns out that due to Postfix anti-spam configuration there's no way to start it properly without specifying the domains it will relay email for. This commit also includes a few samples of running the container: - standalone - in [docker-compose](https://docs.docker.com/compose/) Further work: add a working Kubernetes / Helm chart example.		2019-01-02 14:06:00 +01:00
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start.sh	Major update, better support for handling TLS connections.	2019-01-02 14:06:00 +01:00