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How to send email attachment as read only in Linux

 
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# 1  
Old 08-25-2010
How to send email attachment as read only in Linux
Hi,
Could anyone help me to find soultion for the issue to send email attachment as read only.

I can change the file permission in Linux and can send the email attachment from Linux. But my requirment is user can read the attachment but should not modified it . even user save the attachment in their system.

Thanks in advance,
Chidam Alagar
# 2  
Old 08-25-2010
Once the attachment becomes a file in unix, the owner can do what he wants with it...
# 3  
Old 08-25-2010
You would have to convert the file to something that would allow readonly.

You could create a pdf or an image from a text file.

But there are always programs available to hack/change the readonly.
# 4  
Old 08-25-2010
How to send email attachment as read only in Linux
For example , I have file abc.txt in lunix. I am the owner of this file. I am sending this abc.txt through email as attachment to xyz@ibm.com
When xyz received this email and open this file and could edit this. I want to make this file to read only to xyz when recived this file as email.

This is not related to file permission. It is related to file property to chang as 'READ Only' before send it through email. Email receiver could not update this file. Because this abc.txt have valide data.
# 5  
Old 08-25-2010
Once the text file is put on another system it will not be read only. Nothing you can do about a text file.

See my post above for other ideas.
 
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