Re: [exim] Exim before-queue filtering?

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Autor: Tomasz Chmielewski
Data:  
Dla: Chris Wilson
CC: exim users, W B Hacker
Temat: Re: [exim] Exim before-queue filtering?
Chris Wilson wrote:
> Hi Tomasz,
>
> On Wed, 1 Jul 2009, Tomasz Chmielewski wrote:
>
>>>> Perhaps I'm thinking too much in a Postfix way, but I'm unable to
>>>> produce a working setup to pass the message to amavis _before_ it's
>>>> accepted by Exim.
>>>
>>> Look at examples on acl_smtp_data wherein mime checking is done and
>>> messages are
>>> handed-off to ClamAV, Kaspersky, F-prot, Sophos, and/or SpamAssassin,
>>> their
>>> 'opinion' awaited, then the messages either passed clean, passed with
>>> 'demerits'
>>> and potential quarantine, or rejected as malware / spam.
>>
>> "av_scanner = clamd:..." is passing through a virus scanner, clamd in
>> this case. It has lots of other virus scanners, but no amavis option.
>>
>> The only thing which comes close is "cmdline", but amavis can be set up
>> on a different host, so it's also not this.
>
> But you don't have to run Amavis on a different host, you can run it on
> the same host.


I know I can run amavis on the same host with Exim. One can also run
SQL, mail storage a web server - all that on the same host connected
directly to the internet.
But that's not the point.


> Or you can use a network client like the amavis
> equivalent of spamc to have amavis scan the email remotely. You may need
> to write one if it doesn't exist already.


You're an optimist ;)


> It only has to attempt to send
> the messaage by SMTP to Amavis and return an error if Amavis refuses the
> message.



--
Tomasz Chmielewski
http://wpkg.org