Re: Base64 -- Gnus vs. Exchange

[Ted Zlatanov]

On Thu, 17 Sep 2009 07:22:49 -0700 (PDT) Ian Soboroff <isoboroff@gmail.com> 
wrote: 

IS> Sorry if this is a FAQ, but I couldn't dig up a solution anywhere.
IS> Pointers appreciated.

IS> I have recently had the misfortune to get stuck behind an Exchange
IS> server.  Exchange, as we all know, seems to enjoy re-encoding
IS> perfectly reasonable and innocent text sections into base64 which Gnus
IS> then refuses to decode.  ("Error while decoding: (error Invalid base64
IS> data)".  (Believe me, I wrote some of the software that sends me mail,
IS> and I _know_ it sends it as text/plain!  I tried adding a X-Get-Your-
IS> Filthy-Mitts-Off-My-Encoding header, but that didn't help.)

IS> My current solution is that I wrote a Perl script to decode base64,
IS> and then I call it via the menus Article->Washing->Unix pipe, which
IS> unfortunately has no keystroke.  The script is pretty dumb:

IS> use MIME::Base64 qw/decode_base64/;
IS> local($/) = undef;
IS> print decode_base64(<STDIN>);

IS> Can someone better at Gnus/Elisp help me to teach Gnus to just do this
IS> right natively?  i.e. to decode base64 without extra mousing or
IS> keystrokes, but when i view the message or MIME part?

Would it be possible to:

- provide a sample message

- do `M-x toggle-debug-on-error' and show the stack trace when Base64
  decoding fails?

I read Base64 encoded messages every day without issues so this may be a
bug in Gnus or a malformed message.

Thanks
Ted