Re: Hide internal address (Postfix)

"Steven Moix - Axianet.ch" <[email protected]>
Newsgroups gmane.comp.security.linux
Message-ID <[email protected]>
If you do so, aren't your mails rejected by some mail servers because  
they consider that you have an illegal or incomplete header?

Steven

On Jan 10, 2006, at 3:56 PM, claus westerkamp wrote:

> hello chris,
>
> this is how I've done it:
>
> add to main.cf
>
> header_checks = regexp:/etc/postfix/header_checks
>
> in that file you put
>
> "# Header checks file
> #    /^Subject: Internet Sic Codes/  REJECT
> #    /^Subject: ADV /
> /^received: / IGNORE
> /^X-Sender: / IGNORE
> "
>
> that removes the the sender-header before you deliver it to the  
> internet. works great besides eurora clients.
>
> yours claus
>
> [email protected] schrieb:
>> Hi everyone!
>> Iam using Postfix for mail delivery.If somebody inside my network  
>> send mail outside the network, the recipient can see in the  
>> message header the internal address of the sender host.I would  
>> like to hide it, or replace it with the external address of my  
>> router.
>> Any suggestion?
>> best regards
>> chris
>> ps.:i appologize for my poorly grammar
>
> -- 
> Claus Westerkamp
> Systems Engineering
>
> Raytion GmbH
> Kaiser-Friedrich-Ring 74
> 40547 Duesseldorf
> Fon +49-211-550266-0
> Fax +49-211-550266-19
> http://www.raytion.com
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