[exim-dev] [Bug 1151] New: Optional shred when removing mess…

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Author: Mike Cardwell
Date:  
To: exim-dev
New-Topics: [exim-dev] [Bug 1151] Optional shred when removing messages from spool, [exim-dev] [Bug 1151] Optional shred when removing messages from spool
Subject: [exim-dev] [Bug 1151] New: Optional shred when removing messages from spool
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http://bugs.exim.org/show_bug.cgi?id=1151
           Summary: Optional shred when removing messages from spool
           Product: Exim
           Version: N/A
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: wishlist
          Priority: medium
         Component: Queues
        AssignedTo: nigel@???
        ReportedBy: exim-users@???
                CC: exim-dev@???



I would like the option for email to be shredded when removed from the mail
spool, before being deleted. In the same way that GNU shred behaves:

https://www.gnu.org/s/coreutils/manual/html_node/shred-invocation.html

I'd just like to know that email can't be recovered from the MTA spool disk
once it has been delivered.

Perhaps a couple of global configuration options?

spool_shred_iterations = 10
spool_shred_zero       = true


Documentation would need to address issues like filesystem journals still
containing scraps of the message in certain cases. Guidance for that could be
found in the shred man pages. I would happily write the documentation, but
don't have the expertise to write the code.

I fully recognise that very few systems are likely to need this functionality,
but just wanted to get the idea on the record anyway. I think this would have
value to some people.


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