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Date: | Fri, 22 Sep 2000 09:39:07 -0400 |
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On Thu, 21 Sep 2000 09:20:21 +0200, Xander Jansen <[log in to unmask]> said:
> On Wed, 20 Sep 2000, Roger Fajman wrote:
>
> + One problem with LISTSERV stripping of attachments is that it makes no
> + notation in the message headers or body that the message was altered.
>
> Agreed, it would be nice to have an option to make a small note in the
> message about the type and size and perhaps the content-description of the
> attachments stripped, something like what Pine does. Pine has the ability
> to save multipart messages without selected MIME-bodyparts, these are
> replaced with a dummy bodypart like below:
Note that technically, it's *very* hard to delete a bodypart *and* insert
a notation into the *body* and have it Do The Right Thing. Placing the
text before the first part or after the last part will probably be invisible
to a MIME-aware mail program (that's where a lot of things put their
"This message is in MIME format - if you see this text, consider upgrading"
warnings).
Putting it into an existing bodypart is dangerous - it may not even be
a text/plain (users may object to their spreadsheet being corrupted by
insertion of arbitrary data. Or it may be a multipart/signed like this
one, where insertion of data may result in invalidating a digital signature.
ON the other hand, I'd welcome Listserv adding a header to the main
RFC822 headers of the form:
X-Modified: A application/whatever of NN,NNN bytes was removed by listserv@NODE
or some similar.
--
Valdis Kletnieks
Operating Systems Analyst
Virginia Tech
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