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This commit is contained in:
Simon Bruder 2018-03-15 15:32:17 +00:00
parent 3412d9fb99
commit 7d184f1a43
15 changed files with 145 additions and 105 deletions
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17
docker-compose.yml
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@ -4,10 +4,14 @@ services:
build: postfix
restart: unless-stopped
env_file:
- environment
- ssl.env
- postfix.env
volumes:
- ./aliases:/etc/postfix/virtual
- ./domains:/etc/postfix/domains
- /var/lib/acme/:/var/lib/acme/:ro
- /var/lib/docker-volumes/mail/queue/:/var/spool/postfix
- postfix-dh:/etc/postfix/dh-params
networks:
mail:
depends_on:
@ -24,9 +28,11 @@ services:
build: dovecot
restart: unless-stopped
env_file:
- environment
- ssl.env
- ldap.env
- dovecot.env
volumes:
- /var/lib/docker-volumes/mail/vmail/:/srv/vmail/
- /var/lib/docker-volumes/mail/vmail/:/var/vmail/
- /var/lib/acme/:/var/lib/acme/:ro
networks:
mail:
@ -36,7 +42,7 @@ services:
image: runningman84/rainloop
restart: unless-stopped
env_file:
- environment
- rainloop.env
volumes:
- /var/lib/docker-volumes/mail/rainloop/:/var/www/html/data
networks:
@ -47,3 +53,6 @@ networks:
auth:
external: true
name: auth_auth
volumes:
postfix-dh: {}

0
dovecot.env Normal file
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2
dovecot/10-logging.conf
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@ -1,6 +1,6 @@
log_path = /dev/stdout
auth_verbose = yes
#auth_verbose = yes
plugin {
# Events to log. Also available: flag_change append

10
dovecot/Dockerfile
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@ -5,10 +5,12 @@ RUN apk add --no-cache \
dovecot-ldap
RUN sed -i 's/#!include auth-ldap.conf.ext/!include auth-ldap.conf.ext/' /etc/dovecot/conf.d/10-auth.conf \
&& sed -i 's/!include auth-passwdfile.conf.ext/#!include auth-passwdfile.conf.ext/' /etc/dovecot/conf.d/10-auth.conf
&& sed -i 's/!include auth-passwdfile.conf.ext/#!include auth-passwdfile.conf.ext/' /etc/dovecot/conf.d/10-auth.conf \
&& sed -i 's/#first_valid_uid = .*/first_valid_uid = 100/g' /etc/dovecot/conf.d/10-mail.conf \
&& sed -i 's/#last = .*/last = 100/g' /etc/dovecot/conf.d/10-mail.conf
RUN mkdir /ssl-params-cache/ \
&& ln -s /ssl-params-cache/ssl-parameters.dat /var/lib/dovecot/ssl-parameters.dat
RUN addgroup -S vmail \
&& adduser -S -g '' -H -D -h /var/vmail vmail vmail
COPY 10-master.conf /etc/dovecot/conf.d/10-master.conf
COPY 10-logging.conf /etc/dovecot/conf.d/10-logging.conf
@ -17,6 +19,6 @@ COPY entrypoint.sh /entrypoint.sh
ENTRYPOINT ["/entrypoint.sh"]
VOLUME "/ssl-params-cache/"
VOLUME ["/var/vmail"]
EXPOSE 24 100 143

5
dovecot/auth-ldap.conf.ext
View file

@ -2,7 +2,8 @@ passdb {
driver = ldap
args = /etc/dovecot/dovecot-ldap.conf.ext
}
userdb {
driver = ldap
args = /etc/dovecot/dovecot-ldap-userdb.conf.ext
driver = static
args = uid=vmail gid=vmail home=/var/vmail/%d/%n mail=maildir:/var/vmail/%d/%n/Maildir
}

16
dovecot/entrypoint.sh
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@ -1,15 +1,15 @@
#!/bin/ash
cat > /etc/dovecot/dovecot-ldap.conf.ext << LDAP
cat >> /etc/dovecot/dovecot-ldap.conf.ext << DOVECOTLDAP
hosts = $LDAP_SERVER
auth_bind = yes
base = $LDAP_BASE
auth_bind = yes
user_filter = (&(objectClass=posixAccount)(mail=%u))
pass_filter = (&(objectClass=posixAccount)(mail=%u))
user_attrs = \
=home=/var/vmail/%d/%u, \
=mail=maildir:/var/vmail/%d/%u/Maildir
LDAP
#user_attrs = \
# =home=/var/vmail/%d/%n, \
# =mail=maildir:/var/vmail/%d/%n/Maildir
DOVECOTLDAP
cat > /etc/dovecot/conf.d/10-ssl.conf << SSL
ssl = required
@ -19,6 +19,6 @@ ssl_key = <$TLS_KEY
ssl_dh_parameters_length = 2048
SSL
ln -s /etc/dovecot/dovecot-ldap.conf.ext /etc/dovecot/dovecot-ldap-userdb.conf.ext
echo -e "auth_verbose=yes\nauth_debug=yes\nauth_debug_passwords=yes" >> /etc/dovecot/dovecot.conf
dovecot -F
exec dovecot -F

11
environment.dist
View file

@ -1,11 +0,0 @@
HOSTNAME=mail.example.com
VIRTUAL_HOSTS=example.com example.net
RELAYS=
TLS_CERT=/path/to/cert
TLS_CHAIN=/path/to/chain
TLS_FULLCHAIN=/path/to/certandchain
TLS_KEY=/path/to/key
LDAP_SERVER=ldap
LDAP_BASE=dc=ldap,dc=example,dc=com
RAINLOOP_ADMIN_LOGIN=admin
RAINLOOP_ADMIN_PASSWORD=password

2
ldap.env Normal file
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@ -0,0 +1,2 @@
LDAP_SERVER=ldap
LDAP_BASE=dc=ldap,dc=sbruder,dc=de

5
postfix.env Normal file
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@ -0,0 +1,5 @@
MYHOSTNAME=mail.kegelschiene.com
MYDOMAIN=mail.kegelschiene.com
MAIL_NAME="sbrudermail"
MESSAGE_SIZE_LIMIT=15360000

41
postfix/Dockerfile
View file

@ -5,15 +5,50 @@ RUN apk add --no-cache \
rsyslog \
ca-certificates \
postfix \
postfix-pcre \
openssl
RUN echo '' > /etc/postfix/main.cf \
&& postconf -e myorigin='$myhostname' \
&& postconf -e mynetworks='127.0.0.0/8 [::1]/128' \
&& postconf -e smtpd_relay_restrictions='permit_sasl_authenticated, permit_mynetworks, reject_unlisted_sender, reject_unlisted_recipient, reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_invalid_hostname, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unauth_destination, reject_unknown_hostname' \
&& postconf -e smtpd_recipient_restrictions='check_recipient_access hash:/etc/postfix/access_recipient, check_sender_access hash:/etc/postfix/access_sender, check_helo_access hash:/etc/postfix/access_helo, check_client_access cidr:/etc/postfix/access_client, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unknown_sender_domain, reject_unknown_recipient_domain, permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, reject_rbl_client zen.spamhaus.org, reject_rbl_client ix.dnsbl.manitu.net, check_policy_service inet:postgrey:25 reject_unverified_recipient, permit' \
&& postconf -e recipient_delimiter='+' \
&& postconf -e smtpd_banner='$myhostname ESMTP $mail_name' \
&& postconf -e smtpd_use_tls='yes' \
&& postconf -e smtpd_tls_security_level='may' \
&& postconf -e smtpd_tls_auth_only='yes' \
&& postconf -e smtpd_tls_loglevel='1' \
&& postconf -e smtpd_tls_mandatory_protocols='!SSLv2,!SSLv3,!TLSv1,!TLSv1.1' \
&& postconf -e smtpd_tls_protocols='!SSLv2,!SSLv3,!TLSv1,!TLSv1.1' \
&& postconf -e smtpd_tls_mandatory_ciphers='medium' \
&& postconf -e tls_medium_cipherlist='AES128+EECDH:AES128+EDH' \
&& postconf -e smtpd_tls_dh1024_param_file='/etc/postfix/dh-params/2048.pem' \
&& postconf -e smtpd_tls_dh512_param_file='/etc/postfix/dh-params/512.pem' \
&& postconf -e smtpd_tls_eecdh_grade='strong' \
&& postconf -e tls_preempt_cipherlist='yes' \
&& postconf -e smtpd_sasl_auth_enable='yes' \
&& postconf -e smtpd_sasl_type='dovecot' \
&& postconf -e smtpd_sasl_path='inet:dovecot:100' \
&& postconf -e virtual_transport='lmtp:[dovecot]' \
&& postconf -e virtual_alias_maps='hash:/etc/postfix/virtual' \
&& postconf -e virtual_mailbox_domains='/etc/postfix/domains' \
&& postconf -e smtp_tls_security_level='may' \
&& postconf -e disable_vrfy_command='yes' \
&& postconf -e enable_long_queue_ids='yes' \
&& postconf -e strict_rfc821_envelopes='yes'
# && postconf -e smtpd_recipient_restrictions='permit_sasl_authenticated, permit_mynetworks, reject_unlisted_sender, reject_unlisted_recipient, reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_invalid_hostname, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unauth_destination, reject_unknown_hostname' \
COPY master.cf /etc/postfix/master.cf
COPY smtp_header_checks /etc/postfix/smtp_header_checks
COPY postfix.sh /postfix.sh
COPY supervisord.conf /etc/supervisord.conf
ENTRYPOINT ["/usr/bin/supervisord", "-c", "/etc/supervisord.conf"]
VOLUME "/etc/postfix/dh-params/"
VOLUME ["/etc/postfix/dh-params/"]
VOLUME ["/var/spool/postfix"]
EXPOSE 25 587
# Noch submission machen

34
postfix/master.cf Normal file
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@ -0,0 +1,34 @@
# ==========================================================================
# service type private unpriv chroot wakeup maxproc command + args
# (yes) (yes) (no) (never) (100)
# ==========================================================================
smtp inet n - n - - smtpd
submission inet n - n - - smtpd
-o cleanup_service_name=subcleanup
pickup unix n - n 60 1 pickup
cleanup unix n - n - 0 cleanup
qmgr unix n - n 300 1 qmgr
tlsmgr unix - - n 1000? 1 tlsmgr
rewrite unix - - n - - trivial-rewrite
bounce unix - - n - 0 bounce
defer unix - - n - 0 bounce
trace unix - - n - 0 bounce
verify unix - - n - 1 verify
flush unix n - n 1000? 0 flush
proxymap unix - - n - - proxymap
proxywrite unix - - n - 1 proxymap
smtp unix - - n - - smtp
relay unix - - n - - smtp
showq unix n - n - - showq
error unix - - n - - error
retry unix - - n - - error
discard unix - - n - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - n - - lmtp
anvil unix - - n - 1 anvil
scache unix - - n - 1 scache
subcleanup unix n - n - 0 cleanup
-o header_checks=pcre:/etc/postfix/smtp_header_checks

88
postfix/postfix.sh
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@ -1,73 +1,27 @@
#!/bin/sh
cat > /etc/postfix/main.cf << MAINCF
# FQDN of system !reverse DNS!
myhostname = $HOSTNAME
[ -e /etc/postfix/dh-params/512.pem ] || openssl gendh -out /etc/postfix/dh-params/512.pem -2 512
[ -e /etc/postfix/dh-params/2048.pem ] || openssl gendh -out /etc/postfix/dh-params/2048.pem -2 2048
# aliases
virtual_alias_maps = hash:/etc/postfix/virtual
postconf -e myhostname="$MYHOSTNAME"
postconf -e mydomain="$MYDOMAIN"
postconf -e mail_name="$MAIL_NAME"
recipient_delimiter = +
postconf -e message_size_limit="$MESSAGE_SIZE_LIMIT"
smtpd_relay_restictions =
smtpd_recipient_restrictions =
# white/blacklists
check_recipient_access hash:/etc/postfix/access_recipient
check_sender_access hash:/etc/postfix/access_sender,
check_helo_access hash:/etc/postfix/access_helo,
check_client_access cidr:/etc/postfix/access_client,
# deny mails for nonexistend recipients
reject_non_fqdn_sender,
reject_non_fqdn_recipient,
reject_unknown_sender_domain,
reject_unknown_recipient_domain,
# allow mails of our users
permit_sasl_authenticated,
permit_mynetworks,
# deny mails to external destinations
reject_unauth_destination,
# check against RBL
reject_rbl_client zen.spamhaus.org,
reject_rbl_client ix.dnsbl.manitu.net,
# check greylisting
check_policy_service inet:postgrey:25
# check if the user exists in dovecot
reject_unverified_recipient,
# let it out
permit
smtpd_sasl_auth_enable = yes
smtpd_sasl_path= inet:dovecot:100
smtpd_sasl_type = dovecot
# out
smtp_tls_security_level = may
# in
smtpd_tls_security_level = may
smtpd_tls_cert_file = $TLS_CERT
smtpd_tls_CAfile = $TLS_CHAIN
smtpd_tls_key_file = $TLS_KEY
smtpd_tls_dh1024_param_file = /etc/postfix/dh-params/2048.pem
smtpd_tls_dh512_param_file = /etc/postfix/dh-params/512.pem
smtpd_tls_eecdh_grade = strong
tls_preempt_cipherlist = yes
smtpd_tls_auth_only = yes
# for lmtp relaying to dovecot
relay_domains = hash:/etc/postfix/relay_domains
MAINCF
[ -e /etc/postfix/relay_domains ] && rm /etc/postfix/relay_domains
for virtual_host in $VIRTUAL_HOSTS;do
echo "$virtual_host lmtp:[dovecot]" >> /etc/postfix/relay_domains
done
postmap /etc/postfix/relay_domains
[ -e /etc/postfix/dh_512.pem ] || openssl gendh -out /etc/postfix/dh-params/512.pem -2 512
[ -e /etc/postfix/dh_2048.pem ] || openssl gendh -out /etc/postfix/dh-params/2048.pem -2 2048
postconf -e smtpd_tls_key_file="$TLS_KEY"
postconf -e smtpd_tls_cert_file="$TLS_FULLCHAIN"
postmap /etc/postfix/virtual
/usr/lib/postfix/master -c /etc/postfix -d
postmap /etc/postfix/domains
# 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

5
postfix/smtp_header_checks Normal file
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@ -0,0 +1,5 @@
/^\s*(Received: from)[^\n]*(.*)/ REPLACE $1 [127.0.0.1] (localhost [127.0.0.1])$2
/^\s*User-Agent/ IGNORE
/^\s*X-Enigmail/ IGNORE
/^\s*X-Mailer/ IGNORE
/^\s*X-Originating-IP/ IGNORE

2
rainloop.env Normal file
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@ -0,0 +1,2 @@
RAINLOOP_ADMIN_LOGIN=ibims1admin
RAINLOOP_ADMIN_PASSWORD=Oong7Shohg5caebi

2
ssl.env Normal file
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@ -0,0 +1,2 @@
TLS_FULLCHAIN=/var/lib/acme/live/mail.kegelschiene.com/fullchain
TLS_KEY=/var/lib/acme/live/mail.kegelschiene.com/privkey