From ad34974cef34f213089bbea73c0936dbd197578b Mon Sep 17 00:00:00 2001
From: Jan Philipp Timme <jan.philipp@timme.it>
Date: Tue, 4 Jul 2023 08:58:02 +0200
Subject: [PATCH] Introduce rough docker support

---
 pillar.example                         | 1 +
 postfix/nullclient/etc/postfix/main.cf | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/pillar.example b/pillar.example
index dbe0656..7048fb2 100644
--- a/pillar.example
+++ b/pillar.example
@@ -3,3 +3,4 @@ postfix:
     message_size_limit: '10240000'
     relayhost: 'smtp.example.com'
     rootmail-destination: 'rootmails@example.com'
+    docker-support: False
diff --git a/postfix/nullclient/etc/postfix/main.cf b/postfix/nullclient/etc/postfix/main.cf
index 79d1f7e..c181a78 100644
--- a/postfix/nullclient/etc/postfix/main.cf
+++ b/postfix/nullclient/etc/postfix/main.cf
@@ -36,11 +36,11 @@ local_recipient_maps = unix:passwd.byname
 
 mydestination = {{ minion_id }}, localhost
 relayhost = {{ pillar['relayhost'] }}
-mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
+mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 {% if pillar['docker-support'] %}172.16.0.0/12{% endif %}
 mailbox_command = procmail -a "$EXTENSION"
 mailbox_size_limit = 0
 recipient_delimiter = +
-inet_interfaces = 127.0.0.1
+inet_interfaces = 127.0.0.1{% if pillar['docker-support'] %}, 172.17.0.1{% endif %}
 
 # Allow local rewriting for (local user) sender addresses
 sender_canonical_maps = hash:/etc/postfix/sender_canonical_maps
-- 
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