diff --git a/README.md b/README.md
index 7a8413c..43d9775 100644
--- a/README.md
+++ b/README.md
@@ -36,3 +36,4 @@ TODO
 * .qmail support or alternative
 * maildrop/procmail support ?
 * switch smeserver-qpsmtpd support to postfix
+* check /usr/sbin/sendmail -> /etc/alternatives/mta -> /usr/sbin/sendmail.postfix upon removal/update of qmail