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Feat/add file config #119

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2cc312d
added file based config
jaydouble Feb 8, 2023
918732a
entrypoint: export config
jaydouble Feb 8, 2023
d0218a6
added check file exists
jaydouble Feb 8, 2023
32e7b34
added readme
jaydouble Feb 8, 2023
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18 changes: 18 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -172,6 +172,22 @@ You can also forward all emails received by [email protected] to multiple destinat
export SMF_CONFIG='[email protected]:[email protected]|[email protected]|[email protected]'
```

### `SMF_CONFIG_FILE` Examples

If you want to have a config file instead of a config variable
You can add it like:
```bash
cat <EOF > forwards
[email protected]:[email protected]|[email protected]|[email protected]
[email protected]:[email protected]:ThisIsPassword
EOF
```

And then run it:
```bash
docker run -e SMF_CONFIG_FILE=/forwards -v $(pwd)/forwards:/forwards -p 25:25 zixia/simple-mail-forwarder
```

### `SMF_RELAYHOST` Examples

Here's how to configure a relayhost/smarthost to use for forwarding mail.
Expand All @@ -190,6 +206,8 @@ If the `SMF_RELAYHOST` require authentication,
export SMF_RELAYAUTH='[email protected]:RelayHostPassword'
```



TLS (SSL) Certificates
--------------------

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12 changes: 12 additions & 0 deletions entrypoint.sh
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Expand Up @@ -17,6 +17,7 @@ $ docker run -p 25:25 \\
Environment Variables:
SMF_DOMAIN - mail server hostname. use tutum/docker hostname if omitted.
SMF_CONFIG - mail forward addresses mapping list.
SMF_CONFIG_FILE - file name that contain forward adresses mapping list.
SMF_MYNETWORKS - configure relaying from trusted IPs, see http://www.postfix.org/postconf.5.html#mynetworks
SMF_RELAYHOST - configure a relayhost
SMF_SENDERPRIVACY - strips sender's IP, client, and user agent.
Expand Down Expand Up @@ -349,6 +350,17 @@ else
echo ">> END SMF_DOMAIN found. value:[$SMF_DOMAIN]"
fi

if [ "" == "$SMF_CONFIG_FILE" ]; then
echo ">> ENV SMF_CONFIG_FILE not set."
elif [ ! -f "$SMF_CONFIG_FILE" ]; then
echo ">> $SMF_CONFIG_FILE doesn't exists, skipping reading it."
else
echo ">> END SMF_CONFIG_FILE found. value:[$SMF_CONFIG_FILE]"
echo ">> INSERT config file into config var"
SMF_CONFIG=$(cat /$SMF_CONFIG_FILE | tr '\n' ';')
export SMF_CONFIG
fi

if [ "" == "$SMF_CONFIG" ]
then
echo ">> END SMF_CONFIG not set."
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