I have Sign Clean Messages this problem

[吳汝剛]

Hello,
My OS is Fedora 13 and install MailScanner 4.84.3
I found  Sign Clean Messages this function can't append message to mail.
I have set Sign Clean Messages = yes
Inline HTML Signature = %report-dir%/inline.sig.html
Inline Text Signature = %report-dir%/inline.sig.txt
I make sure all file is ok.
But I can't see any append message at mail when I send mail.
How to fix it?
Thanks a lot.
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