Re: [exim] Preventing Authenticated Users From Sending As Ot…

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Autor: Frank Heydlauf
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A: Exim-users
Assumpte: Re: [exim] Preventing Authenticated Users From Sending As Other Accounts
Hi all,

On Thu, Oct 22, 2009 at 10:03:00AM +0200, David Saez Padros wrote:
> If you always use the email address for each user as it's authentication
> username then you can check at mail acl something like:
>
> deny  authenticated = *
>        condition     = ${if eqi{$authenticated_id}{$sender_address}}
>        message       = You are not authorized to use $sender_address


... and you probably will get lots of support-load since
many mail clients do not show this error message at all.
(0x800Uloose)

IMHO You'd better send a notification message to
the known (since authenticated) user.

--
Regards
Frank