Add option to overwrite the From address

This commit is contained in:
lucas_nz 2020-09-29 21:33:52 +13:00 committed by Juan Luis Baptiste
parent c55bcb70ac
commit 99a2397715
2 changed files with 11 additions and 0 deletions

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@ -55,6 +55,10 @@ The following env variable(s) are optional.
-v $(pwd)/secrets/:/secrets/
* `ALWAYS_ADD_MISSING_HEADERS` This is related to the [always\_add\_missing\_headers](http://www.postfix.org/postconf.5.html#always_add_missing_headers) Postfix option (default: `no`). If set to `yes`, Postfix will always add missing headers among `From:`, `To:`, `Date:` or `Message-ID:`.
* `OVERWRITE_FROM` This will rewrite the from address overwriting it with the specified address for all email being relayed. Example settings:
OVERWRITE_FROM=email@company.com
OVERWRITE_FROM="Your Name" <email@company.com>
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" \

7
run.sh
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@ -68,6 +68,13 @@ if [ ! -z "${SMTP_NETWORKS}" ]; then
fi
add_config_value "mynetworks" "${nets}"
if [ ! -z "${OVERWRITE_FROM}" ]; then
echo -e "/^From:.*$/ REPLACE From: $OVERWRITE_FROM" > /etc/postfix/smtp_header_checks
postmap /etc/postfix/smtp_header_checks
postconf -e 'smtp_header_checks = regexp:/etc/postfix/smtp_header_checks'
echo "Setting configuration option OVERWRITE_FROM with value: ${OVERWRITE_FROM}"
fi
#Start services
# If host mounting /var/spool/postfix, we need to delete old pid file before