kmail crashes attaching large files

[Kevin Krammer]

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On Friday, 11. October 2002 17:35, Ingo Klöcker wrote:
> augusto fagioli wrote:
> > I can't attach  a 65MBytes file to a kmail message.
> >
> > Is it normal?
>
> Read this:
> http://docs.kde.org/3.0/kdenetwork/kmail/faq.html#id2834259
>
> BTW, when a binary attachment is sent per email then this attachment
> will have to be encoded in a way that increases the size of the message
> by 1/3 (base64 encoding). This means a message with a 65 MB attachment
> will be 65*4/3 = 86.666 MB large. In order to save these extra 21 MB of
> bandwidth you should do what cryptopia suggests and use a web server or
> ftp to transfer this file.

Additonally, SMTP does not know hwo to resume a interruped transfer.
So if you have already transferred 86MB and then the connection breaks, 
your client will have to start transmitting again from the start of the 
mail.
This can happen at every hop the message takes.
One reason why most mailservers will reject such a giant mail.

Cheers,
kevin


- -- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Kevin Krammer <kevin.krammer at gmx.at>
Developer at the Kmud Project http://www.kmud.de/
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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