47 lines
1.4 KiB
Plaintext
47 lines
1.4 KiB
Plaintext
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#!/bin/bash
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echo 'Running opendkim boot script'
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POSTFIX_MAIN_CF=/etc/postfix/main.cf
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env_dump=$(printenv)
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OPENDKIM_CONFIG_HEADER="# OpenDKIM - dockermail - start"
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OPENDKIM_CONFIG_FOOTER="# OpenDKIM - dockermail - end"
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function remove_opendkim () {
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if grep -q "$OPENDKIM_CONFIG_HEADER" "$POSTFIX_MAIN_CF"; then
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sed "/$OPENDKIM_CONFIG_HEADER/,/$OPENDKIM_CONFIG_FOOTER/d" "$POSTFIX_MAIN_CF"
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fi
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}
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function add_opendkim () {
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if ! grep -q "$OPENDKIM_CONFIG_HEADER" "$POSTFIX_MAIN_CF"; then
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echo "$OPENDKIM_CONFIG_HEADER" >> "$POSTFIX_MAIN_CF"
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echo "milter_default_action = accept" >> "$POSTFIX_MAIN_CF"
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echo "milter_protocol = 2" >> "$POSTFIX_MAIN_CF"
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if [[ $env_dump =~ ^.*PORT_8891_TCP_ADDR=([0-9\.]*) ]] ; then
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echo "smtpd_milters = inet:${BASH_REMATCH[1]}:8891" >> "$POSTFIX_MAIN_CF"
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echo "non_smtpd_milters = inet:${BASH_REMATCH[1]}:8891" >> "$POSTFIX_MAIN_CF"
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fi
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echo "$OPENDKIM_CONFIG_FOOTER" >> "$POSTFIX_MAIN_CF"
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else
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echo "Warning: $POSTFIX_MAIN_CF already contains OpenDKIM configuration, skipping"
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fi
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}
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if [[ $env_dump =~ ^(.+OPEN_DKIM)= ]] ; then
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if [ ! -z "${BASH_REMATCH[1]}" ]; then
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echo "OPEN_DKIM env set, enabling email signing"
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remove_opendkim # Remove first, to refresh IP info
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add_opendkim
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fi
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else
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echo "Cant find OPEN_DKIM env, signing will be disabled"
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remove_opendkim
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fi
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echo 'Finished opendkim boot script'
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