Doing a bit a testing with Serafino, and doing some Googling, it
appears that Outlook and/or Exchange has a known bug with reading
signed email messages. See

The simple solution is for people to stop using Outlook and change to
a different email client. Given that mass emailing worms need Outlook
to work, I would always recommend that anyway, although probably if
everyone switched to email client X, the worms would change to
exploiting client X :).

Of course if changing to a different email client is impossible due
company policy or whatever, then you will need to complain to your
technical support, ISV or all the way to Microsoft to get the software


PS: I manually turned off autosigningon this message to allow Outlook
users to read it.

On Thu, Jul 29, 2004 at 06:48:20PM +0200, scerir wrote:
> From: "John M" 
> > I think your e-mails arrived blank 
> > because you did not write into it.
> No no. It is a fuzzy effect. Due to the
> signature/attachment, my Outlook,
> my Norton Antivirus, and something else.
> But I can read now the body of the (blank) message
> in the window "properties of the message" -->
> "details" --> "original message". It is not
> so easy ... but it works. :-)
> s.

A/Prof Russell Standish                  Director
High Performance Computing Support Unit, Phone 9385 6967, 8308 3119 (mobile)
UNSW SYDNEY 2052                         Fax   9385 6965, 0425 253119 (")
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