diff --git a/plays/postfix.yml b/plays/postfix.yml
index 6750239d743cea25117e1df96016cb3688c6772a..42c57b07dd89640c0dc85b4aa9d96e09e9adbdda 100755
--- a/plays/postfix.yml
+++ b/plays/postfix.yml
@@ -1,7 +1,7 @@
 #!/usr/bin/env ansible-playbook
 # Postfix playbook
 ---
-- hosts: sputnik.adm.crans.org, boeing.adm.crans.org, redisdead.adm.crans.org, titanic.adm.crans.org
+- hosts: postfix,!mailman
   vars:
     certbot:
       - dns_rfc2136_server: '172.16.10.147'