diff --git a/install/tpl/debian_postfix.conf.master b/install/tpl/debian_postfix.conf.master
index 5023caf6bee402159e822caa7a396ccd8f910242..8bd34f6928b8a57c516bf4edd848c7892f8018c8 100644
--- a/install/tpl/debian_postfix.conf.master
+++ b/install/tpl/debian_postfix.conf.master
@@ -59,3 +59,5 @@ smtp_sender_dependent_authentication = yes
 smtp_sasl_auth_enable = yes
 smtp_sasl_security_options = noanonymous, noplaintext
 smtp_sasl_tls_security_options = noanonymous
+authorized_flush_users =
+authorized_mailq_users = nagios, icinga
diff --git a/install/tpl/fedora_postfix.conf.master b/install/tpl/fedora_postfix.conf.master
index c5786c6ea8cf54262d0325a0ebccbe97d2cca640..8d2b1a9dc25b5211e0c7a42dfb69354d53455b78 100644
--- a/install/tpl/fedora_postfix.conf.master
+++ b/install/tpl/fedora_postfix.conf.master
@@ -55,3 +55,5 @@ smtp_sender_dependent_authentication = yes
 smtp_sasl_auth_enable = yes
 smtp_sasl_security_options = noanonymous, noplaintext
 smtp_sasl_tls_security_options = noanonymous
+authorized_flush_users =
+authorized_mailq_users = nagios, icinga
diff --git a/install/tpl/gentoo_postfix.conf.master b/install/tpl/gentoo_postfix.conf.master
index 405640f52a9dd4310289db241ee6fce61fec8aea..c6b1c2f9c509c6ba20ef94572192c676ac274d4a 100644
--- a/install/tpl/gentoo_postfix.conf.master
+++ b/install/tpl/gentoo_postfix.conf.master
@@ -54,3 +54,5 @@ smtp_sender_dependent_authentication = yes
 smtp_sasl_auth_enable = yes
 smtp_sasl_security_options = noanonymous, noplaintext
 smtp_sasl_tls_security_options = noanonymous
+authorized_flush_users =
+authorized_mailq_users = nagios, icinga
diff --git a/install/tpl/opensuse_postfix.conf.master b/install/tpl/opensuse_postfix.conf.master
index a98f4223e13ee1d9221885d4ee6775b08de239ce..03f134bb0804ae2d70f12afef0068736e5b1e506 100644
--- a/install/tpl/opensuse_postfix.conf.master
+++ b/install/tpl/opensuse_postfix.conf.master
@@ -57,3 +57,5 @@ smtp_sender_dependent_authentication = yes
 smtp_sasl_auth_enable = yes
 smtp_sasl_security_options = noanonymous, noplaintext
 smtp_sasl_tls_security_options = noanonymous
+authorized_flush_users =
+authorized_mailq_users = nagios, icinga