Index: inetmapi/MAPISMTPTransport.cpp
--- inetmapi/MAPISMTPTransport.cpp.orig
+++ inetmapi/MAPISMTPTransport.cpp
@@ -442,7 +442,8 @@ void MAPISMTPTransport::noop()
 //
 void MAPISMTPTransport::send(const mailbox &expeditor,
     const mailboxList &recipients, utility::inputStream &is, size_t size,
-    utility::progressListener *progress, const mailbox &sender)
+    utility::progressListener *progress, const mailbox &sender,
+    const sendOptions &options)
 {
 	if (!isConnected())
 		throw exceptions::not_connected();
