1 files changed, 4 insertions, 0 deletions

diff --git a/framework/src/domain/composercontroller.cpp b/framework/src/domain/composercontroller.cpp
index d2b65d06..fb3857a5 100644
--- a/framework/src/domain/composercontroller.cpp
+++ b/framework/src/domain/composercontroller.cpp
@@ -494,6 +494,10 @@ void ComposerController::send()
     // verify<To, Subject>()
     // && verify<Subject>();
     auto message = assembleMessage();
+    if (!message) {
+        SinkWarning() << "Failed to assemble the message.";
+        return;
+    }
 
     auto accountId = getAccountId();
     //SinkLog() << "Sending a mail: " << *this;