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Re: can't send attachments to dev@

From: Jack Repenning <jrepenning_at_collab.net>
Date: Mon, 8 Dec 2008 11:51:23 -0800

On Dec 7, 2008, at 11:30 PM, Daniel Shahaf wrote:

> Last week I tried to send a 13 bytes attachment to debug the problem.
> It went through fine (and cmike confirmed that). That was after two
> other people (involuntarily) reproduced the replacing of attachments.
> http://permalink.gmane.org/gmane.comp.version-control.subversion.devel/107329

Thanks; I'll mine those for any additional hints.

>> I'm guessing this might be a difference of opinion between your
>> TBird/
>> Enigmail and the new discussion services. Would you send me a
>> message,
>> GPG-signed and with an attachment, in the same way you sent those
> That was also reported --- that the lists break gpg signed mails.

These are separate problems. The lists trash the signature by
appending that "to unsubscribe" notice to the signed text. That can be
turned off by the list admin, in which case the PGP signatures will be
OK. The list *ought* to append that trailer as a third, unsigned
section to the outermost multipart/mixed, so it doesn't interfere with
the signature yet appears on-screen. This is possible, but
complicated; enhancement already on file, but I haven't much hope of a
fix any time soon (and I'm not aware of *any* other lists that do that
either: all I know of either preserve sigs by not appending, or trash
sigs by appending).

But separate from whether the sigs get trashed or not, I suspect that
the problem Neels encountered (and, I'm assuming, Daniel as well) must
have something to do with the complexity of the MIME structure. I
could be wrong: my tests cases have nearly identical structure, yet
seem to work fine.

Since I'm posting into the list anyway, I'm appending a totally
useless attachment (a UTF-8 text file named "text-with-
ornaments.txt"), because one of the few differences between Neels'
sample and mine was a mixing of straight 7-bit ASCII and UTF8, and
another was sending the message to this list rather than my test list
(which I think is identically configured, but maybe I missed something
somehow). I'll check whether this attachment makes it through, no one
needs to tell me explicitly.

Jack Repenning
Chief Technology Officer
CollabNet, Inc.
8000 Marina Boulevard, Suite 600
Brisbane, California 94005
office: +1 650.228.2562
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Received on 2008-12-08 20:51:51 CET

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