diff --git a/debian/preinst b/debian/preinst
index afb347f4..2d081a30 100644
--- a/debian/preinst
+++ b/debian/preinst
@@ -6,6 +6,8 @@ set -e
 
 case "$1" in
   install)
+    # ajoute l'user postfix au groupe sasl
+    adduser --quiet postfix sasl
     ;;
 
   upgrade)
diff --git a/install/initrep.sh b/install/initrep.sh
index 5ad8f522..f8355efd 100755
--- a/install/initrep.sh
+++ b/install/initrep.sh
@@ -49,3 +49,6 @@ touch $DATA/apacheconf/override_php.conf
 mkdir -p /var/log/alternc
 chown www-data:www-data /var/log/alternc
 chgrp -R www-data /etc/alternc
+
+mkdir -p /var/spool/postfix/var/run/saslauthd
+chmod 710 /var/spool/postfix/var/run/saslauthd