mailcow/data/Dockerfiles/postfix/postfix.sh

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#!/bin/bash
trap "postfix stop" EXIT
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[[ ! -d /opt/postfix/conf/sql/ ]] && mkdir -p /opt/postfix/conf/sql/
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if [[ -z $(grep null /etc/aliases) ]]; then
echo null: /dev/null >> /etc/aliases;
newaliases;
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fi
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cat <<EOF > /opt/postfix/conf/sql/mysql_relay_recipient_maps.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT DISTINCT
CASE WHEN '%d' IN (
SELECT domain FROM domain
WHERE relay_all_recipients=1
AND domain='%d'
AND backupmx=1
)
THEN '%s' ELSE (
SELECT goto FROM alias WHERE address='%s' AND active='1'
)
END AS result;
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EOF
cat <<EOF > /opt/postfix/conf/sql/mysql_tls_enforce_in_policy.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT IF(EXISTS(
SELECT 'TLS_ACTIVE' FROM alias
LEFT OUTER JOIN mailbox ON mailbox.username = alias.goto
WHERE (address='%s'
OR address IN (
SELECT CONCAT('%u', '@', target_domain) FROM alias_domain
WHERE alias_domain='%d'
)
) AND json_extract(attributes, '$.tls_enforce_in') LIKE '%1%' AND mailbox.active = '1'
), 'reject_plaintext_session', NULL) AS 'tls_enforce_in';
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EOF
cat <<EOF > /opt/postfix/conf/sql/mysql_sender_dependent_default_transport_maps.cf
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user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT GROUP_CONCAT(transport SEPARATOR '') AS transport_maps
FROM (
SELECT IF(EXISTS(SELECT 'smtp_type' FROM alias
LEFT OUTER JOIN mailbox ON mailbox.username = alias.goto
WHERE (address = '%s'
OR address IN (
SELECT CONCAT('%u', '@', target_domain) FROM alias_domain
WHERE alias_domain = '%d'
)
)
AND json_extract(attributes, '$.tls_enforce_out') LIKE '%1%'
AND mailbox.active = '1'
), 'smtp_enforced_tls:', 'smtp:') AS 'transport'
UNION ALL
SELECT hostname AS transport FROM relayhosts
LEFT OUTER JOIN domain ON domain.relayhost = relayhosts.id
WHERE relayhosts.active = '1'
AND domain = '%d'
OR domain IN (
SELECT target_domain FROM alias_domain
WHERE alias_domain = '%d'
)
)
AS transport_view;
EOF
cat <<EOF > /opt/postfix/conf/sql/mysql_sasl_passwd_maps.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT CONCAT_WS(':', username, password) AS auth_data FROM relayhosts
WHERE id IN (
SELECT relayhost FROM domain
WHERE CONCAT('@', domain) = '%s'
OR '%s' IN (
SELECT CONCAT('@', alias_domain) FROM alias_domain
)
)
AND username != '';
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EOF
cat <<EOF > /opt/postfix/conf/sql/mysql_virtual_alias_domain_catchall_maps.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT goto FROM alias, alias_domain
WHERE alias_domain.alias_domain = '%d'
AND alias.address = CONCAT('@', alias_domain.target_domain)
AND alias.active = 1 AND alias_domain.active='1'
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EOF
cat <<EOF > /opt/postfix/conf/sql/mysql_virtual_alias_domain_maps.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT username FROM mailbox, alias_domain
WHERE alias_domain.alias_domain = '%d'
AND mailbox.username = CONCAT('%u', '@', alias_domain.target_domain)
AND mailbox.active = '1'
AND alias_domain.active='1'
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EOF
cat <<EOF > /opt/postfix/conf/sql/mysql_virtual_alias_maps.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT goto FROM alias
WHERE address='%s'
AND active='1';
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EOF
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cat <<EOF > /opt/postfix/conf/sql/mysql_recipient_bcc_maps.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT bcc_dest FROM bcc_maps
WHERE local_dest='%s'
AND type='rcpt'
AND active='1';
EOF
cat <<EOF > /opt/postfix/conf/sql/mysql_sender_bcc_maps.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT bcc_dest FROM bcc_maps
WHERE local_dest='%s'
AND type='sender'
AND active='1';
EOF
cat <<EOF > /opt/postfix/conf/sql/mysql_recipient_canonical_maps.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT new_dest FROM recipient_maps
WHERE old_dest='%s'
AND active='1';
EOF
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cat <<EOF > /opt/postfix/conf/sql/mysql_virtual_domains_maps.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT alias_domain from alias_domain WHERE alias_domain='%s' AND active='1'
UNION
SELECT domain FROM domain
WHERE domain='%s'
AND active = '1'
AND backupmx = '0'
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EOF
cat <<EOF > /opt/postfix/conf/sql/mysql_virtual_mailbox_maps.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT maildir FROM mailbox WHERE username='%s' AND active = '1'
EOF
cat <<EOF > /opt/postfix/conf/sql/mysql_virtual_relay_domain_maps.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT domain FROM domain WHERE domain='%s' AND backupmx = '1' AND active = '1'
EOF
cat <<EOF > /opt/postfix/conf/sql/mysql_virtual_sender_acl.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
# First select queries domain and alias_domain to determine if domains are active.
query = SELECT goto FROM alias
WHERE address='%s'
AND active='1'
AND (domain IN
(SELECT domain FROM domain
WHERE domain='%d'
AND active='1')
OR domain in (
SELECT alias_domain FROM alias_domain
WHERE alias_domain='%d'
AND active='1'
)
)
UNION
SELECT logged_in_as FROM sender_acl
WHERE send_as='@%d'
OR send_as='%s'
OR send_as IN (
SELECT CONCAT('@',target_domain) FROM alias_domain
WHERE alias_domain = '%d')
OR send_as IN (
SELECT CONCAT('%u','@',target_domain) FROM alias_domain
WHERE alias_domain = '%d')
AND logged_in_as NOT IN (
SELECT goto FROM alias
WHERE address='%s')
UNION
SELECT username FROM mailbox, alias_domain
WHERE alias_domain.alias_domain = '%d'
AND mailbox.username = CONCAT('%u','@',alias_domain.target_domain)
AND mailbox.active ='1'
AND alias_domain.active='1'
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EOF
cat <<EOF > /opt/postfix/conf/sql/mysql_virtual_spamalias_maps.cf
user = ${DBUSER}
password = ${DBPASS}
hosts = mysql
dbname = ${DBNAME}
query = SELECT goto FROM spamalias
WHERE address='%s'
AND validity >= UNIX_TIMESTAMP()
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EOF
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# Reset GPG key permissions
mkdir -p /var/lib/zeyple/keys
chmod 700 /var/lib/zeyple/keys
chown -R 600:600 /var/lib/zeyple/keys
# Fix Postfix permissions
chgrp -R postdrop /var/spool/postfix/public
chgrp -R postdrop /var/spool/postfix/maildrop
postfix set-permissions
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# Check Postfix configuration
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postconf -c /opt/postfix/conf
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if [[ $? != 0 ]]; then
echo "Postfix configuration error, refusing to start."
exit 1
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else
postfix -c /opt/postfix/conf start
sleep 126144000
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fi