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Headers privacy

 

 

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455rocket at gmail

Feb 5, 2007, 1:12 PM

Post #1 of 2 (323 views)
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Headers privacy

Hello,

For security reasons, could anyone point me in the right
direction in order to get rid of the following header line in
messages locally generated:

Received: from root by host [at] somedomain with local (Exim 4.62)

More to that, I would ultimately wish to hide any information from the
inside SMTP hops within my network, so the recipient sees only
a Received from line from my internet mail gateway (without disclosing
exim as the MTA and its's version)

Thank you,

JD
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renaud at llorien

Feb 6, 2007, 12:49 AM

Post #2 of 2 (297 views)
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Re: Headers privacy [In reply to]

Jack Damn wrote:
> Hello,
>
> For security reasons, could anyone point me in the right
> direction in order to get rid of the following header line in
> messages locally generated:
>
> Received: from root by host [at] somedomain with local (Exim 4.62)
>
> More to that, I would ultimately wish to hide any information from the
> inside SMTP hops within my network, so the recipient sees only
> a Received from line from my internet mail gateway (without disclosing
> exim as the MTA and its's version)
>
> Thank you,
>
> JD
You could put a 'slightly less' informative received header by setting
this in the beginning of your config file:

received_header_text = "Received: \
${if def:sender_fullhost {from ${sender_fullhost}\n\t}\
${if def:sender_helo_name
{(helo=${sender_helo_name})\n\t}}}}\
by ${primary_hostname} \
${if def:received_protocol {with ${received_protocol}}} \
${if def:tls_cipher {($tls_cipher)\n\t}}\
${if def:tls_peerdn {(tls_peerdn ${tls_peerdn})\n\t}}\
id=${message_id}\
${if def:received_for {\n\tfor $received_for}}"
Attachments: smime.p7s (3.21 KB)

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