diff --git a/README.md b/README.md
index ee46254..9ab8b6a 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,7 @@ server will start on port 8025.
 * ESMTP server implementing RFC5321
 * Support for SMTP AUTH (RFC4954) and PIPELINING (RFC2920)
 * Web interface to view messages (plain text, HTML or source)
+* Release messages to real SMTP servers
 * HTTP API to list, retrieve and delete messages
 * Multipart MIME support
 * In-memory message storage