[imp] Max attachment size

[Michael Menge]

Hi again,

Quoting Michael M Slusarz <slusarz at horde.org>:

> Quoting Michael Menge <michael.menge at zdv.uni-tuebingen.de>:
>
>> Hi,
>>
>> Quoting Michael M Slusarz <slusarz at horde.org>:
>>
>>> The MIME/IMAP/attachment code has been completely rewritten in IMP  
>>> 5 and, regardless, the outputted message *is* valid MIME.   
>>> However, you really shouldn't be using 'Forward Attachments Only'  
>>> - you should be using 'Forward Entire Message' (I am very close to  
>>> removing the other 2 options in IMP 5 completely).
>>
>> The 'Forward Attachments Only' is needed. IMP4 has problems showning
>> Messages Forwarded "Forwarding Entire Message" if the original  
>> Messages contained Attachments and was signed with SMIME. I can't  
>> remember if the forwarded message had to be signed that the problem  
>> would be shown.
>>
>> See http://bugs.horde.org/ticket/4297
>>
>> How will/should IMP5 handle Forwarding signed messages?
>
> It forwards the entire signed message.  Thinking about this more,  
> this makes the most sense.  If I send an encrypted message to  
> someone, I *don't* want that person to forward that message to  
> anyone else that can't decrypt the message - that message is meant  
> for the the receiving person only (that is the whole purpose of  
> encryption).
>

In this case we could get emails with more than one SMIME/signature.
The functions to verify the signature *must* be able to handle these,
and have to respect the mime-part bonderies, to be able to verifiy the  
forwarded message.


michael


--------------------------------------------------------------------------------
M.Menge                                Tel.: (49) 7071/29-70316
Universität Tübingen                   Fax.: (49) 7071/29-5912
Zentrum für Datenverarbeitung          mail:  
michael.menge at zdv.uni-tuebingen.de
Wächterstraße 76
72074 Tübingen
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 5339 bytes
Desc: S/MIME krytographische Unterschrift
URL: <http://lists.horde.org/archives/imp/attachments/20090409/50418064/attachment-0001.bin>