Hi there!

On 14 Mar 00, at 8:52, Uwe Brockmann wrote
    about "Re: How to open attached files with .EML...":

Hello guys, I'm not even trying to shed some light to the problem discussed 
by you (although if I were you, I'd first of all compare the IE versions you've 
got outta there;-) IMHO, *.eml is one of the filetypes used by this 
"application", which might or might not affect how TB works with these files, 
depending on other M$ stuff you've got installed. FWIW, I've got win'95 
OSR2 build 1111b Russian, some traces (maybe) of MSIE 3.0 -- although I 
did my best to get rid of it completely, and both MSGs and ELMs are 
opened by TB internally here. Besides, no Outlook installed here;-)). 

Now just in case I'm providing some information that might have escaped 
you. Both *.msg and *.eml files are just "invented" by TB. For example, 
when a message comes that has a message/rfc822 attachment, TB will 
display this attached message as something like NNNN.msg. Note that 
there were *absolutely nothing* in the original message that claimed that 
this attachment needs to get this name (!!!). In my understanding, this is a 
major shortcoming of TB internals, which has been discussed on this list 
more then once, BTW. 

Now as for the *.eml filenames. Again, these are "invented" (or, well, say 
"introduced", it really doesn't matter too much;-)) by TB internally under the 
following circumstances: *if* the incoming message has a message/rfc822 
attachment, *which*, in turn, has a message/rfc822 attachment *itself*. This 
latter attached message is denoted as NNNN.eml by TB (God knows why;-
)) 

So the dry remainder of all this discussion is: the person who has sent you 
the message *did not* attach neither *.msg nor *.eml files to it (sic!).

Meanwhile, this your message I'm replying to reveals a (_serious_) bug in 
TB treatment of message/rfc822 attachments. Look below.

> To illustrate the problem, I enclose two identical copies of a sample
> .EML file that I created with Microsoft Outlook Express.  The first
> attachment is named "sample.eml".  The second attachment is named
> "sample.msg".

...And here's how it looked like (my comments inside):

------------19111A12FA030F5
Content-Type: message/rfc822; name="sample.eml"
Content-Disposition: attachment; filename="sample.eml"

<Comment> This IS a bug! A Content-type: message/rfc822 _implies_ (see 
RFCs) that there the content-transfer-encoding is to be set to either 7bit or 
8bit, other types are prohibited... But:
</Comment>

MIME-Version: 1.0

ZXJzaW9uOiAxLjANCkNvbnRlbnQtVHlwZTogbXVsdGlwYXJ0L2FsdGVybmF0aXZlOw0KCWJvdW5k
YXJ5PSItLS0tPV9OZXh0UGFydF8wMDBfMDAwNF8wMUJGOEQ2NC4zNDAxMjcwMCINClgtUHJpb3Jp
<snip>

<Comment> You see, this was supposedly a base64-encoded block, but 
without properly set content-transfer-encoding this is nothing but crap;-( 
Anyhow, the base64 was _not_ allowed for this part, see above and RFCs
</Comment>

------------19111A12FA030F5
Content-Type: application/octet-stream; name="sample.msg"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="sample.msg"
Content-Transfer-Encoding: base64

RnJvbTogIlV3ZSBCcm9ja21hbm4iIDx1d2VAbmV0Y29tLmNvbT4NClN1YmplY3Q6IA0KTUlNRS1W
ZXJzaW9uOiAxLjANCkNvbnRlbnQtVHlwZTogbXVsdGlwYXJ0L2FsdGVybmF0aXZlOw0KCWJvdW5k

<Comment>
OTOH, this part is all right, but _why_on_earth_ the content-transfer-encoding 
has been set _twice_ here really escapes me!!!
</Comment>

So well, I'm CCing it as a bug report to RIT labs, of course;-)

-- 
SY, Alex
(St.Petersburg, Russia)
http://mph.phys.spbu.ru/~akiselev
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