From b16aa5bd33e5ca4bdc8a0734e8db1f42611aa75b Mon Sep 17 00:00:00 2001 From: Guilhem Moulin Date: Tue, 19 Mar 2019 02:27:42 +0100 Subject: MSA: Open 465/TCP for Email Submission over TLS. See RFC 8314 sec. 3.3 "Cleartext Considered Obsolete". --- roles/common/templates/etc/fail2ban/jail.local.j2 | 2 +- roles/common/templates/etc/iptables/services.j2 | 1 + roles/common/templates/etc/postfix/master.cf.j2 | 3 +++ 3 files changed, 5 insertions(+), 1 deletion(-) (limited to 'roles/common/templates') diff --git a/roles/common/templates/etc/fail2ban/jail.local.j2 b/roles/common/templates/etc/fail2ban/jail.local.j2 index c493958..618fbd7 100644 --- a/roles/common/templates/etc/fail2ban/jail.local.j2 +++ b/roles/common/templates/etc/fail2ban/jail.local.j2 @@ -75,7 +75,7 @@ logpath = /var/log/mail.log [sasl] enabled = true -port = submission +port = submission,submissions filter = postfix-sasl logpath = /var/log/mail.warn {% endif %} diff --git a/roles/common/templates/etc/iptables/services.j2 b/roles/common/templates/etc/iptables/services.j2 index 93342cb..6dd5aae 100644 --- a/roles/common/templates/etc/iptables/services.j2 +++ b/roles/common/templates/etc/iptables/services.j2 @@ -36,6 +36,7 @@ in tcp 4190 # MANAGESIEVE out tcp 2703 # Razor2 {% endif %} {% if 'MSA' in group_names %} +in tcp 465 # SMTP-AUTH in tcp 587 # SMTP-AUTH {% endif %} {% if 'webmail' in group_names or 'lists' in group_names or 'wiki' in group_names or 'nextcloud' in group_names %} diff --git a/roles/common/templates/etc/postfix/master.cf.j2 b/roles/common/templates/etc/postfix/master.cf.j2 index d9cb5d3..c481ad4 100644 --- a/roles/common/templates/etc/postfix/master.cf.j2 +++ b/roles/common/templates/etc/postfix/master.cf.j2 @@ -20,6 +20,9 @@ dnsblog unix - - y - 0 dnsblog {% elif inst == 'MSA' %} submission inet n - y - - smtpd -o tls_high_cipherlist=EECDH+AESGCM:!MEDIUM:!LOW:!EXP:!aNULL:!eNULL +submissions inet n - y - - smtpd + -o smtpd_tls_wrappermode=yes + -o tls_high_cipherlist=EECDH+AESGCM:!MEDIUM:!LOW:!EXP:!aNULL:!eNULL {% if groups.webmail | difference([inventory_hostname]) | length > 0 %} [{{ postfix_instance.MSA.addr }}]:{{ postfix_instance.MSA.port }} inet n - y - - smtpd -o broken_sasl_auth_clients=no -- cgit v1.2.3