[Bluez-users] Mailing list gateway corrupting messages (was: L2CAP connectionless)

[Steven Singer <steven.singer@csr.com>]

We're getting messages from Keyur Desai blocked by our corporate
filters. One such message was titled "L2CAP connectionless" and was
sent on 16th of February. A direct link is:

http://sourceforge.net/mailarchive/forum.php?thread_id=3903638&forum_id=1883

I've also appended an edited version to the end of this message.

The problem appears to be that the original mail message was sent in
MIME Base64 encoding (no problem there - it's completely legal), however,
the mailing list gateway is appending text to the end (the usual SF.net
advert and mailing list info). Since the text is appended to the end of
a Base64 section, mail clients are intepreting it as Base64 encoded data.
Since the data has not been Base64 encoded this results in the message
appearing to contain lots of garbage characters. This is what trips up
our corporate filters.

Netscape and Outlook both show a lot of garbage characters at the end
of the message. More tellingly, Sourceforge's own web list interface
(the link I gave above) also shows some garbage characters (though it
gives up after three).

A colleague also reports a similar problem with MIME quoted-printable
messages. The Sourceforge appended text also contains equals signs.
This trips up quoted-printable decoders (most clients just show a few
incorrect characters - breaking the advertising link, however, mh
spots the illegal quoting and refuses to display the entire message).

This is a known bug in Mailman 2.0 (tracker ID 617930). It was reported
in October 2002 and is fixed in mailman 2.1:

https://sourceforge.net/tracker/?func=detail&atid=100103&aid=617930&group_id=103

Apparently, judging by the X-Mailman-Version headers in the mailing
list messages, we're still using Mailman 2.0 (2.0.9-sf.net).

Is there any way to change this? Sourceforge's issues list at:

http://sourceforge.net/docman/display_doc.php?docid=17790&group_id=1

says:

  Software Upgrades

    [...]

    Mailing list services will be upgraded, though the exact time frame has
    not yet been determined. This upgrade will include Mailman upgrades and
    additional anti-spam mechanisms (we know what needs to be done, but have
    not yet scheduled the resources to perform the implementation).

Is there a known workaround? I've tried to search Sourceforge's support
requests, but it's not being very helpful.

	- Steven
------------------------------------------------------------------------
[...]
MIME-Version: 1.0
Content-Type: text/plain;
	charset="utf-8"
Content-Transfer-Encoding: base64
Message-ID: <38F76B90B82C0A4A822651EACE4FF8E9C23322@s31xs2>
[...]
From: "Desai, Keyur Rajnikant" <kdesai@mail.smu.edu>
To: <bluez-users@lists.sourceforge.net>
[...]
Subject: [Bluez-users] L2CAP connectionless
[...]
Date: Mon, 16 Feb 2004 02:34:19 -0600
[...]

SGkgLA0KIA0KSSBhbSAganVzdCB3b25kZXJpbmcgaG93IEwyQ0FQIGNvbm5lY3Rpb25sZXNzIG1v
ZGUgd29ya3MNCiANCndoZW4gaSBkbyBhIC4vbDJ0ZXN0IC1zIC1EIEJEX0FERFIgaXQgaGFzIHRv
IHVzZSB0aGUgY29ubmVjdCBtZXRob2QuDQogDQpBbHNvIHdoZW4gdGhlIC1EIG9wdGlvbiBjYXVz
ZXMgdGhlIHNvY2tldCB0byBiZSBzZXQgdG8gU09DS19ER1JBTSAgSSBjYW5ub3QgdW5kZXJzdGFu
ZCB3aGF0IHRoZSANCmhhbmRsZXIgKHMpIGZ1bmN0aW9uIGRvZXMNCiANCkkgdHJpZWQgdG8gc2lu
Z2xlIHN0ZXAgdXNpbmcgeHhnZGIgYnV0IGl0IHdvdWxkIGFsd2F5cyBza2lwIHRoZSBoYW5kbGVy
KHMpIGZ1bmN0aW9uLg0KIA0KQW55IHdvcmRzIG9mIHdpc2RvbSBvbiB0aGlzID8NCiANCkJlc3Qg
UmVnYXJkcw0KRGVzYWkNCg==


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