Filename enconding in auto-zip feature
MailScanner at ecs.soton.ac.uk
Thu Sep 24 16:52:53 IST 2009
Please try out 4.78.16 which is available for download at
Hopefully the handling of Unicode and foreign characters sets in
attachment filenames will be a lot better than it was.
Please let me know what you think.
I am now approaching a stable release, so please report any and all bugs
as soon as you can.
On 24/09/2009 15:49, Julian Field 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.
>> 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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Julian Field MEng CITP CEng
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