geronimo wrote:
You should have started a new message, instead of replying to an existing one. Now I ahve one thread with two mingled subjects in my inbox.
Sorry for that - but where is the thread identifier? I changed the subject. ... or is "[vdr]" your thread-id? If so, I beg your pardon, as I thought it was a ML-Id.
Thread is identified by the "References:" header which is automatically added by your email client when you hit "reply".