Re: [Exim] Final Peer Review Sought: "Spam Filtering for MXs…

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Author: Matthew Byng-Maddick
Date:  
To: Exim User's Mailing List
Subject: Re: [Exim] Final Peer Review Sought: "Spam Filtering for MXs" HOWTO
On Fri, Jul 09, 2004 at 12:47:13PM +0900, Christian Balzer wrote:
> In A.11.1 we have:
> remote_smtp:
>   debug_print    = "T: remote_smtp (hashed) for $local_part@$domain"
>   driver         = smtp
>   max_rcpt       = 1
>   return_path    = ${local_part:$sender_address}=$local_part=$domain=\
>                    ${hash_8:\
>                      SECRET=${local_part:$sender_address}=$local_part=$domain}\
>                    @$qualify_domain


This shouldn't be "hash_8", it should be something more along the lines of:

return_path = ${local_part:$sender_address}=$local_part=$domain=\
    ${length_8:${hex2b64:${hmac{sha1}{SECRET}\
        {${local_part:$sender_address}=$local_part=$domain}\
    }}}


(Untested, but hopefully you get the idea)

Testing it on the way back in follows much the same sort of pattern.

MBM

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Matthew Byng-Maddick          <mbm@???>           http://colondot.net/
                      (Please use this address to reply)