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List:       amavis-user
Subject:    Re: [AMaViS-user] Office 2007 files are T=zip ?
From:       Andy Fawcett <andy () athame ! co ! uk>
Date:       2007-04-25 16:30:51
Message-ID: 200704251930.52119.andy () athame ! co ! uk
[Download RAW message or body]

On Wednesday 25 April 2007 18:57:52 Dave Augustus wrote:
> Hello All,
>
> Is there something weird about Office 2007 Doc files? We allow doc files
> according to company policy but we disallow zip files.
>
> Our logs had this entry:
>
> maillog:Apr 25 08:54:44 server1.example.com amavis[3926]: (03926-20)
> Blocked  BANNED (P=p004,L=1,M=multipart/mixed |
> P=p002,L=1/2,M=application/vnd.openxmlformats-
> officedocument.wordprocessingml.document,T=zip,N=SPS382T.docx |
> P=p005,L=1/2/1,T=xml,N=[Content_Types].xml) (8,0) , [65.54.246.147]
> [65.55.152.123] <joeuser@hotmail.com> -> <joeuser@example.com>   ,
> Message-ID: <BAY141-F229AC3FA6B35C904410188A6490@phx.gbl>  , mail_id:
> TnFgx8me0JdN , Hits: - , size: 132392 , smtp_resp: 554 5.7.0 Reject,
> id=03926-20 - BANNED: P=p004,L=1,M=multipart/mixed |
> P=p002,L=1/2,M=application/vnd.openxmlformats-officedocument.... ,
> Subject: "Transcript & Format"  , 13250 ms
>
> Notice the:
> T=zip
>
> But the mime-type is:
> M=application/vnd.openxmlformats-
> officedocument.wordprocessingml.document
>
> Is this a zipped file? Is this a standard Office 2007 feature?

Yes, this is quite correct, nothing weird at all.

Office 2007 allows the use of OpenOffice compatible documents, which are 
effectively zipfiles with xml files installed. You can verify this by opening 
the file with unzip.

-- 
Andy Fawcett                                     | andy@athame.co.uk
                                                 | tap@kde.org
"In an open world without walls and fences,      | tap@lspace.org
  we wouldn't need Windows and Gates."  -- anon  | tap@fruitsalad.org

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