diff --git a/tasks/nullmailer.yml b/tasks/nullmailer.yml
index 6560b46..78f0e7e 100644
--- a/tasks/nullmailer.yml
+++ b/tasks/nullmailer.yml
@@ -24,3 +24,4 @@
   - {dest: "/etc/nullmailer/adminaddr",     mode: "0644", owner: root, group: root, content: "{{ mail.root }}"}
   - {dest: "/etc/nullmailer/remotes",       mode: "0600", owner: mail, group: mail, content: "{{ mail.server }}"}
   - {dest: "/etc/nullmailer/defaultdomain", mode: "0644", owner: root, group: root, content: "{{ mail.domain }}"}
+  - {dest: "/etc/mailname", mode: "0644", owner: root, group: root, content: "{{ inventory_hostname }}\n"}