[Mimedefang] Help

Zhang Lin-bo zlb at lsec.cc.ac.cn
Mon Apr 22 20:27:01 EDT 2002


Thanks for the information.

Regards,

LB

On Mon, 22 Apr 2002, David F. Skoll wrote:

> On Mon, 22 Apr 2002, Zhang Lin-bo wrote:
>
> > 1) Attachments whose name contains multi-byte characters
> >    (such as Chinesei characters[B)
> > 2) Attachments whose name contains certain special chars,
> >    e.g.: applet[1].pif
>
> I have verified that both of these are problems.  The reason is that
> the MIME is malformed.  A name such as applet[1].pif should be enclosed
> in quotation marks like this: "applet[1].pif".  Also, multi-byte
> characters should be encoded using a proper MIME encoding.
>
> Unfortunately, it is difficult (if not impossible) to get MIMEDefang
> to "correctly" interpret invalid MIME, because there's no guarantee
> e-mail clients will interpret it the same way.  This problem was
> discussed at some length on Bugtraq:
>
> http://online.securityfocus.com/archive/1/255910
> http://online.securityfocus.com/archive/1/256616
>
> Regards,
>
> David.
>
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>

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