docker-mailserver/target/scripts/startup/setup.d/postfix.sh

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#!/bin/bash
function _setup_postfix_sizelimits
{
_log 'trace' "Configuring Postfix message size limit to '${POSTFIX_MESSAGE_SIZE_LIMIT}'"
postconf "message_size_limit = ${POSTFIX_MESSAGE_SIZE_LIMIT}"
_log 'trace' "Configuring Postfix mailbox size limit to '${POSTFIX_MAILBOX_SIZE_LIMIT}'"
postconf "mailbox_size_limit = ${POSTFIX_MAILBOX_SIZE_LIMIT}"
_log 'trace' "Configuring Postfix virtual mailbox size limit to '${POSTFIX_MAILBOX_SIZE_LIMIT}'"
postconf "virtual_mailbox_limit = ${POSTFIX_MAILBOX_SIZE_LIMIT}"
}
function _setup_postfix_access_control
{
_log 'trace' 'Configuring user access'
if [[ -f /tmp/docker-mailserver/postfix-send-access.cf ]]
then
sed -i 's|smtpd_sender_restrictions =|smtpd_sender_restrictions = check_sender_access texthash:/tmp/docker-mailserver/postfix-send-access.cf,|' /etc/postfix/main.cf
fi
if [[ -f /tmp/docker-mailserver/postfix-receive-access.cf ]]
then
sed -i 's|smtpd_recipient_restrictions =|smtpd_recipient_restrictions = check_recipient_access texthash:/tmp/docker-mailserver/postfix-receive-access.cf,|' /etc/postfix/main.cf
fi
}
function _setup_postfix_sasl
{
if [[ ${ENABLE_SASLAUTHD} -eq 1 ]] && [[ ! -f /etc/postfix/sasl/smtpd.conf ]]
then
cat >/etc/postfix/sasl/smtpd.conf << EOF
pwcheck_method: saslauthd
mech_list: plain login
EOF
fi
if [[ ${ENABLE_SASLAUTHD} -eq 0 ]] && [[ ${SMTP_ONLY} -eq 1 ]]
then
sed -i -E \
's|^smtpd_sasl_auth_enable =.*|smtpd_sasl_auth_enable = no|g' \
/etc/postfix/main.cf
sed -i -E \
's|^ -o smtpd_sasl_auth_enable=.*| -o smtpd_sasl_auth_enable=no|g' \
/etc/postfix/master.cf
fi
}
function _setup_postfix_aliases
{
_log 'debug' 'Setting up Postfix aliases'
_create_aliases
}
function _setup_postfix_vhost
{
_log 'debug' 'Setting up Postfix vhost'
_create_postfix_vhost
}
function _setup_postfix_inet_protocols
{
_log 'trace' 'Setting up POSTFIX_INET_PROTOCOLS option'
postconf "inet_protocols = ${POSTFIX_INET_PROTOCOLS}"
}
function _setup_postfix_virtual_transport
{
_log 'trace' "Changing Postfix virtual transport to '${POSTFIX_DAGENT}'"
# Default value in main.cf should be 'lmtp:unix:/var/run/dovecot/lmtp'
postconf "virtual_transport = ${POSTFIX_DAGENT}"
}
function _setup_postfix_override_configuration
{
_log 'debug' 'Overriding / adjusting Postfix configuration with user-supplied values'
if [[ -f /tmp/docker-mailserver/postfix-main.cf ]]
then
cat /tmp/docker-mailserver/postfix-main.cf >>/etc/postfix/main.cf
_adjust_mtime_for_postfix_maincf
# do not directly output to 'main.cf' as this causes a read-write-conflict
postconf -n >/tmp/postfix-main-new.cf 2>/dev/null
mv /tmp/postfix-main-new.cf /etc/postfix/main.cf
_adjust_mtime_for_postfix_maincf
_log 'trace' "Adjusted '/etc/postfix/main.cf' according to '/tmp/docker-mailserver/postfix-main.cf'"
else
_log 'trace' "No extra Postfix settings loaded because optional '/tmp/docker-mailserver/postfix-main.cf' was not provided"
fi
if [[ -f /tmp/docker-mailserver/postfix-master.cf ]]
then
while read -r LINE
do
if [[ ${LINE} =~ ^[0-9a-z] ]]
then
postconf -P "${LINE}"
fi
done < /tmp/docker-mailserver/postfix-master.cf
_log 'trace' "Adjusted '/etc/postfix/master.cf' according to '/tmp/docker-mailserver/postfix-master.cf'"
else
_log 'trace' "No extra Postfix settings loaded because optional '/tmp/docker-mailserver/postfix-master.cf' was not provided"
fi
}
function _setup_postfix_relay_hosts
{
_setup_relayhost
}
function _setup_postfix_dhparam
{
_setup_dhparam 'Postfix' '/etc/postfix/dhparams.pem'
}
function _setup_dnsbl_disable
{
_log 'debug' 'Disabling postscreen DNS block lists'
postconf 'postscreen_dnsbl_action = ignore'
postconf 'postscreen_dnsbl_sites = '
}
function _setup_postfix_smtputf8
{
_log 'trace' "Disabling Postfix's smtputf8 support"
postconf 'smtputf8_enable = no'
}
function _setup_SRS
{
_log 'debug' 'Setting up SRS'
postconf 'sender_canonical_maps = tcp:localhost:10001'
postconf "sender_canonical_classes = ${SRS_SENDER_CLASSES}"
postconf 'recipient_canonical_maps = tcp:localhost:10002'
postconf 'recipient_canonical_classes = envelope_recipient,header_recipient'
}
function _setup_postfix_hostname
{
_log 'debug' 'Applying hostname and domainname to Postfix'
postconf "myhostname = ${HOSTNAME}"
postconf "mydomain = ${DOMAINNAME}"
}