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RFenimore

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My users have been complaining that zip files are being blocked by Kerio, through further investigation I found out that it was specifically password protected zip files. Digging through the attachment filter, I noticed that everything begins with an asterisk. I do not have Discard zip archive containing dangerous files selected.

When the archive gets password protected, it seems to change the file name inside to have an asterisk at the end of the file. I'm attaching 2 examples, same archive, one has the password of test, the other has no password. One will send, the other will not. We've been doing things this way for quite a while, updating to 8.5 is when we began having this issue.

  • Attachment: test.zip
    (Size: 0.18KB, Downloaded 114 times)
  • Attachment: test2.zip
    (Size: 0.15KB, Downloaded 88 times)
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Pavel Dobry (Kerio)

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Can you please provide more details for "are being blocked by Kerio" ? What message do you get?
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RFenimore

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The client doesn't give any message, it sends like normal, but never gets to it's destination. I haven't checked the Kerio logs yet. I attached the files that I can replicate this error from.
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RFenimore

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[10/Jun/2015 16:05:58] Antivirus check of mail from <rfenimore@digitaldogdirect.com> to <rfenimore<_at_>digitaldogdirect.com> cannot be performed: File 'test.zip\test.txt' is encrypted.

This is the only log entry I can find from my latest attempt.
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Grabsteinschubser

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In Antivirus options do you have "If part of a message cannot be scanned (e.g. corrupted file)" set to "Reject the message ..."?
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RFenimore

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Yes. Now I just need an option to not change my message...

Thanks so much!

[Updated on: Thu, 11 June 2015 16:32]

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