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Over restriction message for large Zipped attachments

By marspilgrim ·
"Over restriction (decompressed file size) has been detected,and Replace has been taken on 2/17/2009 12:29:14 PM."

We are getting the message above but don't know why. We do limit outgoing mail to a size of 20MB. Uncompressed this attachment is 107MB, but zipped it is just 9MB and should send. Why does Exchange 2003 reject this, or even care how big the file will be when it's decompressed? Can't find anything about it on Google. Thanks!

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Try this......

by ThumbsUp2 In reply to Over restriction message ...

Try renaming the file so it ends with .txt instead of .zip before you attach it to the email. Then, give instructions on the other end to be sure and change the name back to .zip after they've saved it to their HDD.

By changing the extension of the file, Exchange won't go looking inside of it to see the decompressed file size.

.

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Are you sure it is from your end?

by jdclyde In reply to Over restriction message ...

Is it a message from your server and not the recipient?

And don't know about you, but one of the first rules that go into my firewalls is to NOT allow ANY zipped files because of them being used to get virus's past server based AV.

If you are sending/receiving files that big, it is time to setup an FTP server.

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