Hi,

On Sun, Dec 20, 2015 at 3:36 PM, Robert Schetterer <r...@sys4.de> wrote:
> Am 20.12.2015 um 19:58 schrieb Alex:
>> Hi all,
>>
>> I posted a message some time ago about stripping internal headers from
>> outbound mail, and I didn't receive any response. I thought I would
>> follow up. Is there more information I can provide? Should I be
>> approaching this a different way?
>>
>> Any ideas greatly appreciated.
>>
>> On Sun, Dec 13, 2015 at 10:06 PM, Alex <mysqlstud...@gmail.com> wrote:
>>> Hi,
>>>
>>> I'd like to use the cleanup service to remove internal headers for
>>> privacy. I'd also like to make sure to not break DKIM signing in the
>>> process.
>>>
>>> I've tried to redefine the cleanup service to auth-cleanup for
>>> submission. I already have a submission service that works
>>> successfully.
>>>
>>> auth-cleanup   unix  n       -       n       -       0       cleanup
>>>    -o syslog_name=postfix/auth-cleanup
>>>    -o header_checks=pcre:/etc/postfix/auth_header_checks.pcre
>>>
>>> submission inet n       -       n       -       -       smtpd
>>>   -o smtpd_tls_security_level=encrypt
>>>   -o smtpd_sasl_auth_enable=yes
>>>   -o smtpd_client_restrictions=permit_sasl_authenticated,reject
>>>   -o milter_macro_daemon_name=ORIGINATING
>>>   -o receive_override_options=$submission_overrides
>>>   -o syslog_name=postfix/submission
>>>   -o cleanup_service_name=auth-cleanup
>>>
>>> /etc/postfix/auth_header_checks.pcre
>>> /^\s*(Received: from)[^\n]*(?!inside.example.com).*/ REPLACE $1
>>> [127.0.0.1] (localhost 127.0.0.1])
>>>
>>> Received: from sage.inside.example.com (sage.inside.example.com
>>> [192.168.1.7]) (using TLSv1.2
>>> with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did
>>> not present a certificate) (Authenticated sender: alex)
>>> by orion.example.com (Postfix) with ESMTPSA id DE862A60121
>>> for <web-y5x...@mail-tester.com>; Sun, 13 Dec 2015 21:57:00 -0500 (EST)
>>>
>>> Dec 13 21:57:00 orion postfix/submission/smtpd[30338]: DE862A60121:
>>> client=sage.inside.example.com[192.168.1.
>>> 7], sasl_method=PLAIN, sasl_username=alex
>>> Dec 13 21:57:00 orion postfix/auth-cleanup/cleanup[30346]:
>>> DE862A60121: message-id=<566e2ffc.20...@example.com>
>>>
>>> I'm not very good with regular expressions. Could that be the problem here?
>>>
>>> Please let me know if there's other information I can provide to help.
>>>
>>> Thanks,
>>> Alex
>
> perhaps more what you want
>
> https://www.void.gr/kargig/blog/2013/11/24/anonymize-headers-in-postfix/

That's pretty much exactly the steps I followed, and I believe I even
used that page as a reference.

I was hoping someone could spot my errors.

Thanks,
Alex

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