diff --git a/containers/nagios/postfix.init b/containers/nagios/postfix.init
new file mode 100755
index 0000000..29bf50b
--- /dev/null
+++ b/containers/nagios/postfix.init
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+: ${MAIL_SERVER=$MAIL_PORT_25_TCP_ADDR}
+
+
+sed -i "s/relayhost =.*/relayhost = ${MAIL_SERVER}/" /etc/postfix/main.cf
+sed -i "s/myhostname =.*/myhostname = `hostname`/" /etc/postfix/main.cf
+
+exec /usr/lib/postfix/master -d -c /etc/postfix