So I have an interesting problem....a program I am (trying) to write is crashing with this error:
QObject::startTimer: QTimer can only be used with threads s
This may be related to creating the QNetworkAccessManager inside the Send method - try instead using RAII.
Define the QNetworkAccessManager in the header for Transmissions as a class variable, and create a class instance it in the ctor, then you will be able to post to it from the Send thread.
Otherwise I think it goes out of scope.