mail/postfix/postfix.sh

#!/bin/sh
[ -e /etc/postfix/dh-params/512.pem ] || openssl gendh -out /etc/postfix/dh-params/512.pem -2 512
[ -e /etc/postfix/dh-params/2048.pem ] || openssl gendh -out /etc/postfix/dh-params/2048.pem -2 2048

postconf -e myhostname="$MYHOSTNAME"
postconf -e mydomain="$MYDOMAIN"
postconf -e mail_name="$MAIL_NAME"

postconf -e message_size_limit="$MESSAGE_SIZE_LIMIT"

postconf -e smtpd_tls_key_file="$TLS_KEY"
postconf -e smtpd_tls_cert_file="$TLS_FULLCHAIN"

postconf -e virtual_mailbox_domains="$DOMAINS"

for hash in access_recipient access_sender access_helo virtual;do
	touch /etc/postfix/$hash
	chown root:root /etc/postfix/$hash
	postmap /etc/postfix/$hash
done

# set ldap search base
sed -i \
	-e "s/@@SEARCH_BASE@@/${LDAP_BASE}/g" \
	-e "s/@@SERVER_HOST@@/${LDAP_SERVER}/g" \
	/etc/postfix/ldap/virtual_mailbox_maps.cf

# is cidr, so not included in the hash section
touch /etc/postfix/access_client

echo "MAILER-DAEMON: postmaster\npostmaster: $POSTMASTER" > /etc/postfix/aliases

newaliases

# is mounted, so no default structure
(
	cd /var/spool/postfix
	chown postfix:postfix .
	for dir in active bounce corrupt defer deferred flush hold incoming maildrop pid private public saved trace; do
		mkdir -p $dir
		chown postfix:postfix $dir
	done
)

exec /usr/lib/postfix/master -c /etc/postfix -d