h.reindl at thelounge
Jan 10, 2011, 4:27 AM
Post #8 of 8
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Thats right, but i can not implement it in dbmail :-(
Some dirty hack using SRS for all mails on postfix-side
is not a real solution because non-forwards should
never be touched
regards
harry
Am 10.01.2011 09:25, schrieb Daniel Urstöger:
> I think what you need to look into is SRS: http://de.wikipedia.org/wiki/Sender_Rewriting_Scheme
>
> Kind regards,
> Daniel
>
> Am 10.01.2011 um 05:20 schrieb Reindl Harald:
>
>> Additional info:
>>
>> http://en.wikipedia.org/wiki/Email_forwarding
>>
>>> In the Sender Policy Framework (SPF), the domain-name in the envelope sender
>>> remains subject to policy restrictions. Therefore, SPF generally disallows plain
>>> message-forwarding. Intra domain redirection complies with SPF as long as the
>>> relevant servers share a consistent configuration. Mail servers that practise
>>> inter-domain message-forwarding may break SPF even if they don't implement SPF
>>> themselves, i.e. they neither apply SPF checks nor publish SPF records.[6] Sender
>>> Rewriting Scheme provides for a generic forwarding mechanism compatible with SPF.
>>
>> This is why gmail changes the message and instead use "h.reindl [at] thelounge"
>> as envelope makes "reindl.harald+caf_=h.reindl=thelounge.net [at] gmail"
>>
>> Since dbmail makes the forwarding and is the only instance who is knowing to 100%
>> at this time that it is a forwarding, including to know both sides of the
>> forward i would say this is the right place for envelope-rewrite because
>> i have no idea with which rukes postfix could do this afterwards
>>
>> X-Barracuda-Envelope-From: reindl.harald+caf_=h.reindl=thelounge.net [at] gmail
>> X-Barracuda-Apparent-Source-IP: 209.85.216.46
>> Received-SPF: pass (barracuda.thelounge.net: domain of gmail.com designates
>> 209.85.216.46 as permitted sender) client-ip=209.85.216.46;
>> envelope-from=reindl.harald+caf_=h.reindl=thelounge.net [at] gmail;
>>
>>
>> Am 10.01.2011 04:58, schrieb tabris:
>>> On 1/9/11 7:43 PM, Reindl Harald wrote:
>>>> Am 10.01.2011 04:37, schrieb tabris:
>>>>
>>>>> On 1/9/11 7:33 PM, Reindl Harald wrote:
>>>>>> Does dbmail anything like gmail by forwarding messages
>>>>>> i have not seen - seems to be straight forwarding
>>>>> Strange question, DBmail is not an MTA.
>>>>> What you ask seems to be a responsibility for your MTA (postfix, exim, sendmail, etc).
>>>> Hm not really
>>>>
>>>> * MTA receives a message and delivers over lmtp
>>>> * dbmail looks in alias-table and see the forward
>>>> * dbmail generates a new message and gives it to the mta
>>>> * the mta does not and should not touch this message
>>>>
>>>> It happens the same as with my autoreply below (to you *g*)
>>>>
>>>> * psotfix/pickup will fetch the message from dbmail
>>>> * uid=493 is dbmail on fedora/redhat
>>>>
>>>
>>> I still think I do not understand the question... perhaps b/c you are
>>> not showing what it looks like when I send you an email to your
>>> @thelounge.net, and it is fwded to gmail. If gmail is allowed to send
>>> mail as you and your SPF record does not say so and msgs are lost b/c of
>>> that... then that's your fault for not adding an mx:gmail.com to your SPF.
>>>
>>>> Jan 10 04:37:59 mail postfix/pickup[15589]: 0C675AD: uid=493 from=<h.reindl [at] thelounge>
>>>> Jan 10 04:37:59 mail postfix/cleanup[15595]: 0C675AD: message-id=<20110110033759.0C675AD [at] mail>
>>>> Jan 10 04:37:59 mail postfix/lmtp[15596]: E560A97: to=<h.reindl [at] thelounge>, relay=127.0.0.1[127.0.0.1]:24,
>>>> delay=0.13, delays=0.02/0.01/0/0.1, dsn=2.0.0, status=sent (215 Recipient <h.reindl [at] thelounge> OK)
>>>> Jan 10 04:37:59 mail postfix/qmgr[3780]: E560A97: removed
>>>> Jan 10 04:37:59 mail postfix/qmgr[3780]: 0C675AD: from=<h.reindl [at] thelounge>, size=1377, nrcpt=1 (queue active)
>>>> Jan 10 04:38:00 imap-login: Info: proxy(h.reindl [at] thelounge): disconnecting 212.95.7.237
>>>> Jan 10 04:38:01 mail postfix/smtp[15599]: Host offered STARTTLS: [mail.oswalddental.net]
>>>> Jan 10 04:38:07 mail postfix/smtp[15599]: 0C675AD: to=<tabris [at] tabris>,
>>>> relay=mail.oswalddental.net[75.147.251.245]:25, delay=8.8, delays=0.01/0.01/2.1/6.8, dsn=2.0.0, status=sent (250
>>>> 2.0.0 Ok: queued as 99066602A027)
>>>>
>>>>>> Below afaik a perfect sample from gmail
>>>>>>
>>>>>> * Sender is "h.reindl [at] thelounge"
>>>>>> * Rcpt: "reindl.harald [at] gmail"
>>>>>> * My gmail-Account always forwards to my office-address
>>>>>>
>>>>>> please take a look at the envelope abd the spf-check from our
>>>>>> barracuda-spamfirewall, without making this changes the
>>>>>> messages would be blocked by strict spf because
>>>>>> it shows my sender-address and is coming from the google-server
>>>>>> _______________
>>>>>>
>>>>>> Received: from barracuda.thelounge.net (barracuda.thelounge.net [10.0.0.20]) (using TLSv1
>>>>>> with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested)
>>>>>> by mail.thelounge.net (Postfix) with ESMTPS id 4A344A3
>>>>>> for <h.reindl [at] thelounge>; Mon, 10 Jan 2011 04:21:11 +0100 (CET)
>>>>>> X-ASG-Debug-ID: 1294629666-03bcd9407b51fc70001-NZZS9d
>>>>>> Received: from mail-qw0-f46.google.com (mail-qw0-f46.google.com [209.85.216.46])
>>>>>> by barracuda.thelounge.net with ESMTP id DBsKQViB0BfFJKRl
>>>>>> for <h.reindl [at] thelounge>; Mon, 10 Jan 2011 04:21:07 +0100 (CET)
>>>>>> X-Barracuda-Envelope-From: reindl.harald+caf_=h.reindl=thelounge.net [at] gmail
>>>>>> X-Barracuda-Apparent-Source-IP: 209.85.216.46
>>>>>> Received-SPF: pass (barracuda.thelounge.net: domain of gmail.com designates
>>>>>> 209.85.216.46 as permitted sender) client-ip=209.85.216.46;
>>>>>> envelope-from=reindl.harald+caf_=h.reindl=thelounge.net [at] gmail;
>>>>>> Received: by qwa26 with SMTP id 26so19352331qwa.19
>>>>>> for <h.reindl [at] thelounge>; Sun, 09 Jan 2011 19:21:06 -0800 (PST)
>>>>>> Received: by 10.229.189.14 with SMTP
>>>>>> id dc14mr24604116qcb.58.1294629666121; Sun, 09 Jan 2011 19:21:06 -0800 (PST)
>>>>>> X-Forwarded-To: h.reindl [at] thelounge
>>>>>> X-Forwarded-For: reindl.harald [at] gmail h.reindl [at] thelounge
>>>>>> _______________
>>>>>>
>>>>>> yes i know i'm on holiday and must be total crazy plaing with mysql, dbmail
>>>>>> and reading docs the whole time :-)
>>>>>>
>>>>>> regards
>>>>>> harry
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> DBmail mailing list
>>>>>> DBmail [at] dbmail
>>>>>> http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail
>>
>> --
>>
>> Mit besten Grüßen, Reindl Harald
>> the lounge interactive design GmbH
>> A-1060 Vienna, Hofmühlgasse 17
>> CTO / software-development / cms-solutions
>> p: +43 (1) 595 3999 33, m: +43 (676) 40 221 40
>> icq: 154546673, http://www.thelounge.net/
>>
>>
>>
>> _______________________________________________
>> DBmail mailing list
>> DBmail [at] dbmail
>> http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail
>
> _______________________________________________
> DBmail mailing list
> DBmail [at] dbmail
> http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail
--
Mit besten Grüßen, Reindl Harald
the lounge interactive design GmbH
A-1060 Vienna, Hofmühlgasse 17
CTO / software-development / cms-solutions
p: +43 (1) 595 3999 33, m: +43 (676) 40 221 40
icq: 154546673, http://www.thelounge.net/
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