office 2007 docx format or new excel format
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office 2007 docx format or new excel format - 3.Apr.2007 3:53:00 PM
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raxip
Posts: 12
Joined: 3.Apr.2007
Status: offline
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How to i add this extension to my mail security 8.1 so that it does not get picked up.
is there a general way to allow new extension?
thanks
Cory
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RE: office 2007 docx format or new excel format - 4.Apr.2007 9:04:10 AM
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Mark Busuttil
Posts: 4833
Joined: 16.Oct.2005
Status: offline
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We are currently checking this out and will let you know.
Thank you
_____________________________
Regards,
Mark Busuttil
GFI Software Ltd - www.gfi.com
Messaging, Content Security & Network Security Software
GFI: MailEssentials - MailSecurity - MailArchiver - FAXmaker - LANguard – WebMonitor
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RE: office 2007 docx format or new excel format - 5.Apr.2007 10:44:53 AM
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Nicks
Posts: 2606
Joined: 17.Mar.2003
Status: offline
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Hi raxip,
You will need to add the new file extensions to an excluded list.
Alternativly, you can configure Attachment Checking rules which block only specific file-types. All other file-types will not be blocked by Attachment Checking (although they will still be scanned by the other modules such as virus scanning etc).
_____________________________
Nicholas Sciberras
GFI Software - www.gfi.com
Messaging, Content Security & Network Security Software
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RE: office 2007 docx format or new excel format - 5.Apr.2007 3:31:35 PM
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raxip
Posts: 12
Joined: 3.Apr.2007
Status: offline
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I wish that was true
I do not have these extensions in the block list
docx, xlsx,
here is what happens
Last Error
File "doc1.docx\.rels" triggered rule "Default Attachment Checking Rule".
More Info
The file ".rels" was blocked by the attachment checking module because there is no file name before the extension.
Will try an exclusion list, can i just put it ahead of the block list?
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RE: office 2007 docx format or new excel format - 5.Apr.2007 6:50:16 PM
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raxip
Posts: 12
Joined: 3.Apr.2007
Status: offline
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Well
the attachment checking rules can only be block.
How do i set a rule to allow?
thanks
Cory
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RE: office 2007 docx format or new excel format - 6.Apr.2007 8:25:19 AM
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joestern
Posts: 238
Joined: 18.Sep.2003
From: Philadelphia, PA
Status: offline
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quote:
the attachment checking rules can only be block.
How do i set a rule to allow?
You need two rules to do this:
The first rule lists the attachments you want to delete outright. For instance, there is no reason my users should ever receive .SCR attachments by e-mail, so I zap them in this rule.
The second rule quarantines *all* attachments *except* the ones you explicitly permit. For instance, I allow .JPG, .ZIP and .XLS files through, among many others.
- If someone sends an MSI file, it's zapped by the first rule.
- If someone sends a PPT file, it doesn't trigger the first rule, and it is on the exception list for the second rule. Therefore, it's allowed through.
- If someone sends something I haven't seen before (like the first time I got a .DOCX file), it passes the first rule and gets quarantined by the second rule. If it's a legitimate case, I add it to the second rule's exception list.
Hope this helps. I am using the latest version of MS.
- Joe Stern
Philadelphia, PA
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RE: office 2007 docx format or new excel format - 9.Sep.2008 10:23:17 AM
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DataPer
Posts: 3
Joined: 9.Sep.2008
Status: offline
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Joe .. I've been researching this issue and found your suggestion very helpful. I've built a couple of rules following your "delete bad attachments" and "quarantine all but the following" method, but I've run into one snag.
My list is up to 36 valid attachments, but there's a 37th that won't take. We have several e-mails coming in every day with an attachment being caught as "nofilename". The attachment appears to be signature files from the senders. I've tried adding "nofilename" and "nofilename.*" to the allowed list, but they're still being caught by the filter.
Any suggestions getting these through? Tapping in daily to approve those messages manually simply isn't feasible.
Thanks,
Neil
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RE: office 2007 docx format or new excel format - 9.Sep.2008 10:40:45 AM
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joestern
Posts: 238
Joined: 18.Sep.2003
From: Philadelphia, PA
Status: offline
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Hi Neil - Is the attached file really called nofilename, or is it just MailSecurity's way of telling you that there was no file name found on the attachment (the part to the left of the dot)?
Try adding *. to your list of approved attachments. It should be harmless to users and will cover this nofilename scenario.
- Joe
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