diff --git a/README.md b/README.md
index b4d4483..fcfa677 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ Koozali SME Server wrapper to configure postfix
 ## Development and testing
 ```
  mkdir -p /etc/e-smith/templates-custom/var/service/{qpsmtpd,sqpsmtpd,uqpsmtpd}/config/peers/{0,local}/90queue-qmail-queue 
- echo 'return "queue/postfix-queue";' > /etc/e-smith/templates-custom/var/service/{qpsmtpd,sqpsmtpd,uqpsmtpd}/config/peers/{0,local}/90queue-qmail-queue
+ echo 'queue/postfix-queue' > /etc/e-smith/templates-custom/var/service/{qpsmtpd,sqpsmtpd,uqpsmtpd}/config/peers/{0,local}/90queue-qmail-queue
  config setprop qmail status disabled
  systemctl stop qmail
  signal-event email-update
diff --git a/root/etc/e-smith/events/actions/conf-postfix b/root/etc/e-smith/events/actions/conf-postfix
new file mode 100755
index 0000000..1042359
--- /dev/null
+++ b/root/etc/e-smith/events/actions/conf-postfix
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+#first we set postfix sendmail as default one
+/usr/sbin/alternatives --set mta /usr/sbin/sendmail.postfix
+
+# we add qpsmtpd to the group to allow to send email to postfix sockets
+/usr/sbin/usermod -a -G postdrop  qpsmtpd
+
diff --git a/smeserver-postfix.spec b/smeserver-postfix.spec
index 1705167..40eff37 100644
--- a/smeserver-postfix.spec
+++ b/smeserver-postfix.spec
@@ -1,6 +1,6 @@
 %define name smeserver-postfix
 %define version 1.0
-%define release 2
+%define release 3
 Summary: This is what smeserver-postfix does.
 Name: %{name}
 Version: %{version}
@@ -13,6 +13,9 @@ Prefix: %{_prefix}
 BuildArchitectures: noarch
 BuildRequires: e-smith-devtools
 Requires: e-smith-release >= 10.0
+Requires: postfix 
+Requires: postfix-perl-scripts
+Requires: postfix-pcre
 Requires: zsh
 AutoReqProv: no
 
@@ -20,6 +23,10 @@ AutoReqProv: no
 Koozali SME Server wrapper to configure postfix
 
 %changelog
+* Tue Nov 19 2024 Jean-Philippe Pialasse <jpp@koozali.org> 1.0-3.sme
+- add requirements [SME: 12737]
+- add conf-postfix
+
 * Sun Nov 17 2024 <jpp@koozali.org> 1.0-2.sme
 - listen only via sockets
 - use both unix user and virtual users