Quoting Chuck Hagenbuch <chuck@horde.org>:
> I can't reproduce this. Can you provide details on the message that causes
> the problem, and/or send me (bounce - headers intact) a copy?
I'll bounce you one. I did notice that the messages with this problem list
the mime type as image/jpeg, while .jpg images attached by IMP use image/pjpeg;
might this be the problem?