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ansible-role-mailserver
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postfix: support

This commit is contained in:
genofire 2020-07-24 12:42:59 +02:00
parent e574070869
commit d91391d5fc
14 changed files with 444 additions and 1 deletions
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4
defaults/main.yml
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@ -3,6 +3,8 @@ mailserver_mail_domain: "sum7.eu"
mailserver_mx_domain: "{{ inventory_hostname }}"
mailserver_cert_domains: "{{ mailserver_mx_domain }} mail.{{ mailserver_mail_domain }}"
mailserver_dovecot_enabled: true # would not install postfixadmn either
mailserver_db_type: "pgsql"
mailserver_db_host: "localhost"
mailserver_db_name: "mailserver"
@ -23,3 +25,5 @@ mailserver_rspamd_enabled: true
mailserver_rspamd_domain: ""
#mailserver_rspamd_webui_password: "" # run `rspamadm pw` for it
mailserver_rspamd_dkim_selector: "2020"
mailserver_mailman_enabled: true

5
handlers/main.yml
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@ -13,3 +13,8 @@
systemd:
name: rspamd
state: restarted
- name: reload postfix
systemd:
name: postfix
state: reloaded

4
tasks/main.yml
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@ -23,12 +23,15 @@
line: "{{ mailserver_cert_domains }}"
- name: Run userdatabase
when: mailserver_dovecot_enabled
import_tasks: db.yml
- name: Run postfixadmin
when: mailserver_dovecot_enabled
import_tasks: postfixadmin.yml
- name: Run dovecot
when: mailserver_dovecot_enabled
import_tasks: dovecot.yml
- name: Run rspamd
@ -36,6 +39,7 @@
when: mailserver_rspamd_enabled
- name: Run mailman
when: mailserver_mailman_enabled
import_tasks: mailman.yml
- name: Run postfix

37
tasks/postfix.yml
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@ -1,5 +1,40 @@
- name: Install Postfix
- name: postfix - install
package:
state: latest
name:
- postfix
- name: postfix - generate DH
notify: reload postfix
openssl_dhparam:
path: /etc/postfix/dh.pem
size: 4096
- name: postfix - create sql folder
notify: reload postfix
file:
path: /etc/postfix/sql
state: directory
- name: postfix - config
notify: reload postfix
template:
src: "postfix/{{ item }}"
dest: "/etc/postfix/{{ item }}"
with_items:
- main.cf
- master.cf
- sql/smtpd-sender-login-maps.cf
- sql/tls-policy.cf
- sql/virtual-sender-maps.cf
- sql/virtual-alias-domains.cf
- sql/virtual-alias-domains-maps.cf
- sql/virtual-alias-maps.cf
- sql/virtual-mailbox-domains.cf
- sql/virtual-mailbox-maps.cf
- name: postfix - start and enable on boot
systemd:
name: postfix
enabled: yes
state: started

195
templates/postfix/main.cf Normal file
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@ -0,0 +1,195 @@
##
## Network settings
##
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
inet_interfaces = all
smtp_address_preference = ipv6
myhostname = {{ mailserver_mx_domain }}
##
## Mail queue settings
##
maximal_queue_lifetime = 1h
bounce_queue_lifetime = 1h
maximal_backoff_time = 15m
minimal_backoff_time = 5m
queue_run_delay = 5m
##
## TLS settings
###
tls_preempt_cipherlist = yes
tls_ssl_options = NO_COMPRESSION
tls_high_cipherlist = EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA256:EECDH:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!IDEA:!ECDSA:kEDH:CAMELLIA128-SHA:AES128-SHA
### Outbound SMTP connections (Postfix as sender)
{% if mailserver_dovecot_enabled %}
smtp_tls_security_level = may
{% else %}
smtp_tls_security_level = dane
smtp_dns_support_level = dnssec
smtp_tls_policy_maps = proxy:{{ mailserver_db_type }}:/etc/postfix/sql/tls-policy.cf
{% endif %}
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtp_tls_protocols = !SSLv2, !SSLv3
smtp_tls_ciphers = high
smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
### Inbound SMTP connections
smtpd_tls_security_level = may
smtpd_tls_protocols = !SSLv2, !SSLv3
smtpd_tls_ciphers = high
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_tls_key_file = /etc/dehydrated/certs/{{ mailserver_cert_domains.split(' ')[0] }}/privkey.pem
smtpd_tls_cert_file = /etc/dehydrated/certs/{{ mailserver_cert_domains.split(' ')[0] }}/fullchain.pem
smtpd_tls_dh1024_param_file = ${config_directory}/dh.pem
##
## Local mail delivery to Dovecot via LMTP
##
virtual_transport = lmtp:unix:private/dovecot-lmtp
{% if mailserver_rspamd_enabled %}
##
## Spam filter and DKIM signatures via Rspamd
##
smtpd_milters = inet:127.0.0.1:11332
non_smtpd_milters = inet:127.0.0.1:11332
milter_protocol = 6
milter_mail_macros = i {mail_addr} {client_addr} {client_name} {auth_authen}
milter_default_action = accept
{% endif %}
##
## Server Restrictions for clients, cecipients and relaying
## (concerning S2S-connections. Mailclient-connections are configured in submission-section in master.cf)
##
### Conditions in which Postfix works as a relay. (for mail user clients)
smtpd_relay_restrictions = reject_non_fqdn_recipient
# reject_unknown_recipient_domain
permit_mynetworks
reject_unauth_destination
### Conditions in which Postfix accepts e-mails as recipient (additional to relay conditions)
### check_recipient_access checks if an account is "sendonly"
#smtpd_recipient_restrictions = check_recipient_access proxy:{{ mailserver_db_type }}:/etc/postfix/sql/recipient-access.cf
### Restrictions for all sending foreign servers ("SMTP clients")
smtpd_client_restrictions = permit_mynetworks
check_client_access hash:/etc/postfix/without_ptr
# reject_unknown_client_hostname
### Foreign mail servers must present a valid "HELO"
# Recipient address rejected: Domain not found;
smtpd_helo_required = yes
smtpd_helo_restrictions = permit_mynetworks
reject_invalid_helo_hostname
reject_non_fqdn_helo_hostname
# reject_unknown_helo_hostname
# Block clients, which start sending too early
smtpd_data_restrictions = reject_unauth_pipelining
##
## Restrictions for MUAs (Mail user agents)
##
mua_relay_restrictions = reject_non_fqdn_recipient,reject_unknown_recipient_domain,permit_mynetworks,permit_sasl_authenticated,reject
mua_sender_restrictions = permit_mynetworks,reject_non_fqdn_sender,reject_sender_login_mismatch,permit_sasl_authenticated,reject
mua_client_restrictions = permit_mynetworks,permit_sasl_authenticated,reject
##
## Postscreen Filter
##
### Postscreen Whitelist / Blocklist
postscreen_access_list = permit_mynetworks
cidr:/etc/postfix/postscreen_access
postscreen_blacklist_action = drop
# Drop connections if other server is sending too quickly
postscreen_greet_action = drop
### DNS blocklists
postscreen_dnsbl_threshold = 2
postscreen_dnsbl_sites = ix.dnsbl.manitu.net*2
zen.spamhaus.org*2
postscreen_dnsbl_action = drop
##
## MySQL queries
##
alias_maps =
hash:/etc/postfix/aliases
{% if mailserver_mailman_enabled %}
hash:/var/lib/mailman/data/aliases
{% endif %}
alias_database = $alias_maps
virtual_alias_maps =
{% if mailserver_dovecot_enabled %}
proxy:{{ mailserver_db_type }}:/etc/postfix/sql/virtual-alias-maps.cf
proxy:{{ mailserver_db_type }}:/etc/postfix/sql/virtual-alias-domains-maps.cf
{% endif %}
{% if mailserver_mailman_enabled %}
hash:/var/lib/mailman/data/virtual-mailman
{% endif %}
{% if mailserver_dovecot_enabled %}
virtual_alias_domains = proxy:{{ mailserver_db_type }}:/etc/postfix/sql/virtual-alias-domains.cf
virtual_mailbox_maps = proxy:{{ mailserver_db_type }}:/etc/postfix/sql/virtual-mailbox-maps.cf
virtual_mailbox_domains = proxy:{{ mailserver_db_type }}:/etc/postfix/sql/virtual-mailbox-domains.cf
# List of authorized senders
smtpd_sender_login_maps =
proxy:{{ mailserver_db_type }}:/etc/postfix/sql/smtpd-sender-login-maps.cf
proxy:{{ mailserver_db_type }}:/etc/postfix/sql/virtual-sender-maps.cf
{% endif %}
local_recipient_maps = $smtpd_sender_login_maps
{% if mailserver_mailman_enabled %}
relay_domains =
hash:/var/lib/mailman/data/relay-domains
{% endif %}
##
## Miscellaneous
##
### Maximum mailbox size (0=unlimited - is already limited by Dovecot quota)
mailbox_size_limit = 0
### Maximum size of inbound e-mails (50 MB)
message_size_limit = 52428800
### Do not notify system users on new e-mail
biff = no
### Users always have to provide full e-mail addresses
append_dot_mydomain = no
### Delimiter for "Address Tagging"
recipient_delimiter = +
#------------------------------
compatibility_level = 2

146
templates/postfix/master.cf Normal file
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@ -0,0 +1,146 @@
#
# Postfix master process configuration file. For details on the format
# of the file, see the master(5) manual page (command: "man 5 master" or
# on-line: http://www.postfix.org/master.5.html).
#
# Do not forget to execute "postfix reload" after editing this file.
#
# ==========================================================================
# service type private unpriv chroot wakeup maxproc command + args
# (yes) (yes) (no) (never) (100)
# ==========================================================================
#smtp inet n - n - - smtpd
smtp inet n - n - 1 postscreen
-o smtpd_sasl_auth_enable=no
smtpd pass - - n - - smtpd
dnsblog unix - - n - 0 dnsblog
tlsproxy unix - - n - 0 tlsproxy
submission inet n - n - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_sasl_auth_enable=yes
-o smtpd_sasl_type=dovecot
-o smtpd_sasl_path=private/auth
-o smtpd_sasl_security_options=noanonymous
# -o smtpd_tls_auth_only=yes
# -o smtpd_reject_unlisted_recipient=no
-o smtpd_client_restrictions=$mua_client_restrictions
# -o smtpd_helo_restrictions=$mua_helo_restrictions
-o smtpd_sender_restrictions=$mua_sender_restrictions
# -o smtpd_recipient_restrictions=
# -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o smtpd_relay_restrictions=$mua_relay_restrictions
-o milter_macro_daemon_name=ORIGINATING
{# if mailserver_dovecot_enabled %}
-o smtpd_sender_login_maps=mysql:/etc/postfix/sql/sender-login-maps.cf
{% endif #}
-o smtpd_helo_required=no
-o smtpd_helo_restrictions=
-o cleanup_service_name=submission-header-cleanup
#smtps inet n - n - - smtpd
# -o syslog_name=postfix/smtps
# -o smtpd_tls_wrappermode=yes
# -o smtpd_sasl_auth_enable=yes
# -o smtpd_reject_unlisted_recipient=no
# -o smtpd_client_restrictions=$mua_client_restrictions
# -o smtpd_helo_restrictions=$mua_helo_restrictions
# -o smtpd_sender_restrictions=$mua_sender_restrictions
# -o smtpd_recipient_restrictions=
# -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
# -o milter_macro_daemon_name=ORIGINATING
#628 inet n - n - - qmqpd
pickup unix n - n 60 1 pickup
cleanup unix n - n - 0 cleanup
qmgr unix n - n 300 1 qmgr
#qmgr unix n - n 300 1 oqmgr
tlsmgr unix - - n 1000? 1 tlsmgr
rewrite unix - - n - - trivial-rewrite
bounce unix - - n - 0 bounce
defer unix - - n - 0 bounce
trace unix - - n - 0 bounce
verify unix - - n - 1 verify
flush unix n - n 1000? 0 flush
proxymap unix - - n - - proxymap
proxywrite unix - - n - 1 proxymap
smtp unix - - n - - smtp
relay unix - - n - - smtp
-o syslog_name=postfix/$service_name
# -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
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
submission-header-cleanup unix n - n - 0 cleanup
-o header_checks=regexp:/etc/postfix/header_checks
postlog unix-dgram n - n - 1 postlogd
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
#
# Many of the following services use the Postfix pipe(8) delivery
# agent. See the pipe(8) man page for information about ${recipient}
# and other message envelope options.
# ====================================================================
#
# maildrop. See the Postfix MAILDROP_README file for details.
# Also specify in main.cf: maildrop_destination_recipient_limit=1
#
#maildrop unix - n n - - pipe
# flags=DRXhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
#
# ====================================================================
#
# Recent Cyrus versions can use the existing "lmtp" master.cf entry.
#
# Specify in cyrus.conf:
# lmtp cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4
#
# Specify in main.cf one or more of the following:
# mailbox_transport = lmtp:inet:localhost
# virtual_transport = lmtp:inet:localhost
#
# ====================================================================
#
# Cyrus 2.1.5 (Amos Gouaux)
# Also specify in main.cf: cyrus_destination_recipient_limit=1
#
#cyrus unix - n n - - pipe
# flags=DRX user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
#
# ====================================================================
#
# Old example of delivery via Cyrus.
#
#old-cyrus unix - n n - - pipe
# flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user}
#
# ====================================================================
#
# See the Postfix UUCP_README file for configuration details.
#
#uucp unix - n n - - pipe
# flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
#
# ====================================================================
#
# Other external delivery methods.
#
#ifmail unix - n n - - pipe
# flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
#
#bsmtp unix - n n - - pipe
# flags=Fq. user=bsmtp argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient
#
#scalemail-backend unix - n n - 2 pipe
# flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store
# ${nexthop} ${user} ${extension}
#
#mailman unix - n n - - pipe
# flags=FRX user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
# ${nexthop} ${user}

6
templates/postfix/sql/smtpd-sender-login-maps.cf Normal file
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@ -0,0 +1,6 @@
user = {{ mailserver_db_user }}
password = {{ mailserver_db_password }}
hosts = {{ mailserver_db_host }}
dbname = {{ mailserver_db_name }}
query = select username from mailbox where username='%s'

6
templates/postfix/sql/tls-policy.cf Normal file
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@ -0,0 +1,6 @@
user = {{ mailserver_db_user }}
password = {{ mailserver_db_password }}
hosts = {{ mailserver_db_host }}
dbname = {{ mailserver_db_name }}
query = SELECT policy, params FROM tlspolicies WHERE domain = '%s'

6
templates/postfix/sql/virtual-alias-domains-maps.cf Normal file
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@ -0,0 +1,6 @@
user = {{ mailserver_db_user }}
password = {{ mailserver_db_password }}
hosts = {{ mailserver_db_host }}
dbname = {{ mailserver_db_name }}
query = SELECT goto FROM alias,alias_domain WHERE alias_domain.alias_domain = '%d' and alias.address = CONCAT('%u', '@', alias_domain.target_domain) AND alias.active = 1 AND alias_domain.active='1'

6
templates/postfix/sql/virtual-alias-domains.cf Normal file
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@ -0,0 +1,6 @@
user = {{ mailserver_db_user }}
password = {{ mailserver_db_password }}
hosts = {{ mailserver_db_host }}
dbname = {{ mailserver_db_name }}
query = SELECT alias_domain FROM alias_domain WHERE alias_domain='%s' AND active = '1'

8
templates/postfix/sql/virtual-alias-maps.cf Normal file
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@ -0,0 +1,8 @@
user = {{ mailserver_db_user }}
password = {{ mailserver_db_password }}
hosts = {{ mailserver_db_host }}
dbname = {{ mailserver_db_name }}
table = alias
select_field = goto
where_field = address

8
templates/postfix/sql/virtual-mailbox-domains.cf Normal file
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@ -0,0 +1,8 @@
user = {{ mailserver_db_user }}
password = {{ mailserver_db_password }}
hosts = {{ mailserver_db_host }}
dbname = {{ mailserver_db_name }}
table = domain
select_field = domain
where_field = domain

8
templates/postfix/sql/virtual-mailbox-maps.cf Normal file
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@ -0,0 +1,8 @@
user = {{ mailserver_db_user }}
password = {{ mailserver_db_password }}
hosts = {{ mailserver_db_host }}
dbname = {{ mailserver_db_name }}
table = mailbox
select_field = maildir
where_field = username

6
templates/postfix/sql/virtual-sender-maps.cf Normal file
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@ -0,0 +1,6 @@
user = {{ mailserver_db_user }}
password = {{ mailserver_db_password }}
hosts = {{ mailserver_db_host }}
dbname = {{ mailserver_db_name }}
query = SELECT goto FROM alias WHERE address='%s'