diff --git a/install_postfix_advanced.sh b/install_postfix_advanced.sh
index ef32944..f1f3ed4 100755
--- a/install_postfix_advanced.sh
+++ b/install_postfix_advanced.sh
@@ -4,6 +4,7 @@
 working_dir="$(dirname $(realpath $0))"
 conf_file="${working_dir}/conf//install_postfix_advanced.conf"
 
+
 _TLS_CERT_DIR=/etc/postfix/ssl
 _TLS_CERT_FILE="${_TLS_CERT_DIR}/mailserver.crt"
 _TLS_KEY_FILE="${_TLS_CERT_DIR}/mailserver.key"
@@ -339,6 +340,7 @@ if $IS_RELAY_HOST ; then
    cat << EOF >> $conf_file
 _SASL_AUTH_ENABLED=$SASL_AUTH_ENABLED
 EOF
+fi
 if [[ $? -ne 0 ]]; then
    _failed=true
 fi
@@ -351,6 +353,18 @@ fi
 [[ "$IPV6" = "disabled" ]] && IPV6="" 
 
 
+# - Synchronise package index files with the repository
+# -
+echononl "   Synchronise package index files with the repository.."
+apt-get update > error "$tmp_err_msg" 2>&1
+if [[ $? -eq 0 ]] ; then
+   echo_ok
+else
+   echo_failed
+   error "$(cat $tmp_err_msg)"
+fi
+
+
 # - Deinstall debian exim4 packages
 # -
 echononl "   Deinstall debian exim4 packages"