From: Ralf Jung <post@ralfj.de>
Date: Sat, 16 Jun 2018 18:01:27 +0000 (+0200)
Subject: permit configuring mail system hostname
X-Git-Url: https://git.ralfj.de/ansible.git/commitdiff_plain/dec35a3f16cf549b18439409490e529c0b89bdd8

permit configuring mail system hostname
---

diff --git a/host_vars/template.yml b/host_vars/template.yml
index fb971ba..6b9c4c7 100644
--- a/host_vars/template.yml
+++ b/host_vars/template.yml
@@ -1,6 +1,8 @@
 postfix:
   # postmaster email address
   postmaster: postmaster@example.org
+  # optional: Hostname of this email system
+  hostname: mail.example.org
   # optional: Whether to put a postscreen on port 25
   postscreen: True
   # optional: Open another SMTP daemon on port 26 that only accepts mail from local hosts
diff --git a/roles/email/templates/main.cf b/roles/email/templates/main.cf
index cbd7b3d..f6840cc 100644
--- a/roles/email/templates/main.cf
+++ b/roles/email/templates/main.cf
@@ -1,12 +1,16 @@
 compatibility_level = 2
 
-# local delivery: aliases only
-alias_maps = hash:/etc/aliases
-local_recipient_maps = $alias_maps
+{% if postfix.hostname is defined %}
+myhostname = {{ postfix.hostname }}
+{% endif %}
 {% if postfix.mynetworks is defined %}
 mynetworks = {{ postfix.mynetworks }}
 {% endif %}
 
+# local delivery: aliases only
+alias_maps = hash:/etc/aliases
+local_recipient_maps = $alias_maps
+
 {% if 'letsencrypt' in group_names %}
 # TLS server parameters
 smtpd_tls_cert_file=/etc/ssl/mycerts/letsencrypt/live.crt+chain