Torsten <[email protected]> (Di 29 Sep 2009 09:31:21 CEST):
> Hi,
> 
> is it possible to block outgoing emails with a specified sender with 
> exim4? For example block emails to [email protected]

As outgoing was normally somewhen incoming, I'd focus on blocking the 
incoming mails.

In your RCPT acl you could do something like this:

    deny    senders = [email protected]
            local_parts = test
            domain = domain.com

More flexibility you'll get using some lookup for sender and/or
recipient. But it depends on the amount of blocked senders/recipients.

If you really need to block on *outgoing* side, you may conditional
(based on the sender) route (redirect) to :blackhole: or :fail:.

    black_router:
            driver = redirect
            senders = [email protected]
            data = 
${lookup{$local_p...@$domain}lsearch{/etc/exim/black}{:fail:}}
            allow_fail

Both is not tested, but may be it shows you the direction.


    Best regards from Dresden/Germany
    Viele Grüße aus Dresden
    Heiko Schlittermann
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