On Tue, 23 Nov 2004 12:38:20 GMT, Ralph Corderoy said:
Optionally, the extracted file may be better compressed along the way, e.g. an embedded tar file becomes a reference tar.bz2 file if it's smaller. mhstore and a little scripting gets me the first half, it's the editing the email to change the embedded file into a reference that's the issue.
This *does* break horribly for digital signatures - I suspect that both an S/MIME and a PGP signature would be invalidated by changing the embedded file into a reference. Also, things get interesting if you try to forward the mail along with the attachment - I do *not* think it would DTRT with the reference (in other words, the recipient would just get a dangling reference, not the file. The forwarding problem is probably solvable, I suspect that the digital signature one is *not*, unless you find a way to reconstitute the original on a byte-per-byte basis (and making sure that for the corner case of a PGP or S/MIME signature that actually covers a *reference*, that we do *not* expand the reference as that will also break the signature....)
pgptlu7Oq9zxZ.pgp
Description: PGP signature
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