* Katsuhiro Kondou <kondou at nec.co.jp> wrote: > w2kjun at corp.thrunet.com wrote; > } I believe that this is not related with the setting of OE.. > I don't think so. The problem is that what is used as Message-ID > is rejected, and the Message-ID is created by OE when posting. Outlook Express does not generate Message-IDs.