ability to specify mailname

defaults/main.yml

@@ -1,2 +1,4 @@
+mailname: "{{inventory_hostname}}"
+
 postfix_postfixadmin_mysql_database: postfixadmin
 postfix_postfixadmin_mysql_username: postfix

tasks/main.yml

@@ -13,6 +13,12 @@
     dest: /etc/postfix/main.cf
   notify: reload postfix
 
+- name: mailname
+  copy:
+    content: "{{mailname}}"
+    dest: /etc/mailname
+  notify: reload postfix
+
 - include: postfixadmin.yml
 
 - name: configuration pull directory

templates/main.cf.j2

@@ -1,10 +1,9 @@
 # See /usr/share/postfix/main.cf.dist for a commented, more complete version
 
-
 # Debian specific:  Specifying a file name will cause the first
 # line of that file to be used as the name.  The Debian default
 # is /etc/mailname.
-#myorigin = /etc/mailname
+myorigin = /etc/mailname
 
 smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
 biff = no