From aa234a504e008dff8d71a962ef01289862e89e9e Mon Sep 17 00:00:00 2001 From: John Supplee Date: Wed, 27 Feb 2019 12:48:34 +0200 Subject: [PATCH] changes for SPF on incoming email --- setup/mail-postfix.sh | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/setup/mail-postfix.sh b/setup/mail-postfix.sh index 0c9bc97..4802ade 100755 --- a/setup/mail-postfix.sh +++ b/setup/mail-postfix.sh @@ -42,7 +42,8 @@ source /etc/mailinabox.conf # load global vars # * `ca-certificates`: A trust store used to squelch postfix warnings about # untrusted opportunistically-encrypted connections. echo "Installing Postfix (SMTP server)..." -apt_install postfix postfix-sqlite postfix-pcre postgrey ca-certificates +apt_install postfix postfix-sqlite postfix-pcre postgrey ca-certificates \ + postfix-policyd-spf-python # ### Basic Settings @@ -97,7 +98,9 @@ tools/editconf.py /etc/postfix/master.cf -s -w \ -o cleanup_service_name=authclean" \ "authclean=unix n - - - 0 cleanup -o header_checks=pcre:/etc/postfix/outgoing_mail_header_filters - -o nested_header_checks=" + -o nested_header_checks=" \ + "policy-spf=unix - n n - - spawn + user=nobody argv=/usr/bin/policyd-spf" # Install the `outgoing_mail_header_filters` file required by the new 'authclean' service. cp conf/postfix_outgoing_mail_header_filters /etc/postfix/outgoing_mail_header_filters @@ -195,7 +198,7 @@ tools/editconf.py /etc/postfix/main.cf virtual_transport=lmtp:[127.0.0.1]:10025 # "450 4.7.1 Client host rejected: Service unavailable". This is a retry code, so the mail doesn't properly bounce. #NODOC tools/editconf.py /etc/postfix/main.cf \ smtpd_sender_restrictions="reject_non_fqdn_sender,reject_unknown_sender_domain,reject_authenticated_sender_login_mismatch,reject_rhsbl_sender dbl.spamhaus.org" \ - smtpd_recipient_restrictions=permit_sasl_authenticated,permit_mynetworks,"reject_rbl_client zen.spamhaus.org",reject_unlisted_recipient,"check_policy_service inet:127.0.0.1:10023" + smtpd_recipient_restrictions=permit_sasl_authenticated,permit_mynetworks,"reject_rbl_client zen.spamhaus.org",reject_unlisted_recipient,"check_policy_service inet:127.0.0.1:10023","check_policy_service unix:private/policy-spf" # Postfix connects to Postgrey on the 127.0.0.1 interface specifically. Ensure that # Postgrey listens on the same interface (and not IPv6, for instance). @@ -214,6 +217,7 @@ tools/editconf.py /etc/postfix/main.cf \ # Allow the two SMTP ports in the firewall. + ufw_allow smtp ufw_allow submission