To train SpamSieve with spam messages, select the messages, go to GyazMail’s Message menu, and choose Junk ‣ Mark as Junk. This will make the Message ‣ Status ‣ Junk item checked.
To train SpamSieve with good messages, select the messages, go to GyazMail’s Message menu, and choose Junk ‣ Mark as Not Junk. This will make the Message ‣ Status ‣ Junk item unchecked.
You can also use the Junk button on the toolbar or the Message ‣ Status ‣ Junk menu command to toggle the junk status of the selected messages.