Re: [exim] Exim + courier-imap in virtual mode w/ secure fil…

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Autor: Tony Finch
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A: Michael F. Sprague
CC: exim-users
Assumpte: Re: [exim] Exim + courier-imap in virtual mode w/ secure filtering
> If the answer above is no, then my next question would be, is it possible to
> setup a router/transport where I keep .forward or .procmailrc files in the
> virtual user's directory and yet have this be secure? I'm afraid that since all
> of the mail store is owned by a single user (user = vmail in my test case) that
> it would be possible for a bad user to write an exim filter file that could harm
> another user's maildir setup.


You might be able to prevent bad things from happening at delivery time by
examining $address_file in whichever transport you set in the
file_transport option of the redirect router. Most bad things at filtering
time can be controlled by the forbid_filter_* options.

Tony.
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