From: gunzer.andreas on
It seems that it does not depend on the length of the message.

Any other hints for me?

On 5 Nov., 00:39, "Diane Poremsky [MVP]" <outlook...(a)msn.com> wrote:
> How long is the message? Short messages are more likely to be tagged as spam
> by the filter. Beyond that, its hard to say - its rarely anything you could
> identify from the header.