Filename enconding in auto-zip feature

[Pedro Arinto]

Hi Julian,
Sorry, I was mistaken about the system-wide setting. I must have looked in
the wrong place.
I'll try the new version and report my findings.

Thanks for taking the time to look into this.

Pedro



On Thu, Sep 24, 2009 at 3:49 PM, Julian Field
<MailScanner at ecs.soton.ac.uk>wrote:

> Why did you think the "Zip Attachments" feature is a system-wide setting.
> The line above the setting clearly says:
> # This can also be the filename of a ruleset.
>
> I will take a look at the filenames problem, but no guarantees I can fix it
> easily.
>
> On 24/09/2009 12:46, Pedro Arinto wrote:
>
>> Hi Alex,
>>
>> Unfortunately, since I work in Portugal, it is impossible to avoid using
>> non-English characters in filenames. Even if I could somehow tell our users
>> to avoid international characters, i cannot control everyone who sends us
>> email.
>> All platforms I've tested (Mac, Windows & Linux) see the same messed up
>> filenames in the zip file. The difference is that in Windows, with most
>> unzip packages (like 7-zip), there is an error when unzipping the file. In
>> Mac, Linux & Windows with Winzip, the unzip operation is successful, but the
>> filenames are garbled. This wouldn't be a big problem if the file extension
>> remained the same as the original file, but it also gets messed up. Since
>> most of our users are non-technical, this is a big problem for them.
>>
>> Can the zip feature be enabled selectively with a ruleset ? This would
>> partially solve our problems, but as far as I can tell it is a system-wide
>> setting.
>>
>> Thanks,
>>
>> Pedro
>>
>>
>> On Mon, Sep 21, 2009 at 4:07 PM, Alex Neuman <alex at rtpty.com <mailto:
>> alex at rtpty.com>> wrote:
>>
>>    I don't know how to fix it, but here's a couple of thoughts:
>>
>>    1. Can you avoid using filenames with non-english characters? It's
>>    less likely users will have problems that way - specially when
>>    going cross-platform.
>>    2. Are you sure the filenames are messed up? Do all platforms
>>    (linux, mac, unix) find the same, apparently corrupted filenames?
>>    How about all unzip programs for Windows? Could be that the
>>    unzipping program is not UTF aware or something like that.
>>    3. (and this is a question for Jules & the Gang) - what does
>>    MailScanner use for ZIPping? is it some Archive::Zip module call?
>>    Can it be changed (although it may impose a further performance
>>    penalty) to an external "zip" program? Something like the internal
>>    vs. external TNEF issue?
>>
>>
>>
>>    On Sep 21, 2009, at 9:49 AM, Pedro Arinto wrote:
>>
>>        the filenames get messed up in the resulting ZIP file. Windows
>>        users are unable to uncompress this files
>>
>>
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