Re: [exim] IP hearder checking for real time blacklist

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Author: David Saez Padros
Date:  
To: exim-users
Subject: Re: [exim] IP hearder checking for real time blacklist
Hi

te problem gets amplificated when users have dinamic ip address and such
this
servers are blocking clean users, you can use this to avoid publishing
your users
ip address:

received_header_text = Received: \
   ${if and {{def:sender_rcvhost}{!def:authenticated_id}}\
     {from $sender_rcvhost\n\t}\
     {\
      ${if def:sender_ident {from ${quote_local_part:$sender_ident} }{\
      ${if def:authenticated_id {from 
${quote_local_part:$authenticated_id} }}\
      }}\
      ${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}\
     }\
   }\
   by $primary_hostname \
   ${if def:received_protocol {with $received_protocol}} \
   ${if def:tls_cipher {($tls_cipher)\n\t}}\
   (Exim $version_number)\n\t\
   ${if def:sender_address \
   {(envelope-from <$sender_address>)\n\t}}\
   id $message_exim_id\
   ${if def:received_for {\n\tfor $received_for}}



> Dear list,
>
> I have been having an issues/concern with my mail server setup. because
> MUA like outlook send along the IP of the originating client machine my
> server tends to check this IP against the rbl sites, which i feel is not
> right the checking has to be done on the outgoing mail server IP and not
> the client sending the email. and recently i have been having similar
> issues with the state.gov servers i can send emails without problems
> from my mail server but some of our clients whose IP has been blacklist
> cannot send emails to the same domain whiles their outgoing mail server
> is configured to use my mail server.
>
> well some of you might say why not ask the client to clean there
> systems, this will be to much difficult as we an ISP with hundred's of
> client and most of this IP's are behind huge NATed networks you can't
> just tell them to "clean their network".
>
> i will be happy if there is a way to strip of the client IP on my server
> before further transmission to destination mail server. this way i will
> have only the trouble of making sure my server is not blacklisted
> anywhere.
>
> Thanks
> Kebba
>
>
>



--
Salu-2 y hasta pronto ...

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    David Saez
    On-Line Services 2000 S.L.
    http://www.ols.es
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