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Code Issues Releases Wiki Activity

Add root@primary host alias

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github@kiekerjan.isdronken.nl 2021-04-28 09:23:27 +02:00
parent f60d0f4f1e
commit 1264fffb4b
3 changed files with 15 additions and 3 deletions
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3
management/mailconfig.py
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@ -524,6 +524,9 @@ def get_required_aliases(env):
# The hostmaster alias is exposed in the DNS SOA for each zone.
aliases.add("hostmaster@" + env['PRIMARY_HOSTNAME'])
# Setup root alias
aliases.add("root@" + env['PRIMARY_HOSTNAME'])
# Get a list of domains we serve mail for, except ones for which the only
# email on that domain are the required aliases or a catch-all/domain-forwarder.

2
setup/additionals.sh
View File

@ -24,4 +24,4 @@ hide_output systemctl restart systemd-journald.service
# Create forward for root emails
cat > /root/.forward << EOF;
administrator@$PRIMARY_HOSTNAME
EOF
EOF

13
setup/mail-postfix.sh
View File

@ -137,6 +137,14 @@ tools/editconf.py /etc/postfix/main.cf \
tls_preempt_cipherlist=no \
smtpd_tls_received_header=yes
# Add block_root_external to block mail send to root@PRIMARY_HOSTNAME. This mail address is only supposed to be used for local
# mail delivery (cron etc)
cat > /etc/postfix/block_root_external << EOF;
root@$PRIMARY_HOSTNAME REJECT
EOF
postmap /etc/postfix/block_root_external
# Prevent non-authenticated users from sending mail that requires being
# relayed elsewhere. We don't want to be an "open relay". On outbound
# mail, require one of:
@ -144,9 +152,10 @@ tools/editconf.py /etc/postfix/main.cf \
# * `permit_sasl_authenticated`: Authenticated users (i.e. on port 587).
# * `permit_mynetworks`: Mail that originates locally.
# * `reject_unauth_destination`: No one else. (Permits mail whose destination is local and rejects other mail.)
# * `block_root_external`: Block mail addressed at root@PRIMARY_HOSTNAME. Root mail is only to receive mails locally send to root.
# permit_mynetworks will allow delivery of mail for root originating locally.
tools/editconf.py /etc/postfix/main.cf \
smtpd_relay_restrictions=permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
smtpd_relay_restrictions=permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination,hash:/etc/postfix/block_root_external
# ### DANE