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 >> "[email protected]" >> as envelope makes "[email protected]" >> >> 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: >> [email protected] >> 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....@gmail.com; >> >> >> 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=<[email protected]> >>>> Jan 10 04:37:59 mail postfix/cleanup[15595]: 0C675AD: >>>> message-id=<[email protected]> >>>> Jan 10 04:37:59 mail postfix/lmtp[15596]: E560A97: >>>> to=<[email protected]>, 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 >>>> <[email protected]> OK) >>>> Jan 10 04:37:59 mail postfix/qmgr[3780]: E560A97: removed >>>> Jan 10 04:37:59 mail postfix/qmgr[3780]: 0C675AD: >>>> from=<[email protected]>, size=1377, nrcpt=1 (queue active) >>>> Jan 10 04:38:00 imap-login: Info: proxy([email protected]): >>>> 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=<[email protected]>, >>>> 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 "[email protected]" >>>>>> * Rcpt: "[email protected]" >>>>>> * 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 <[email protected]>; 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 <[email protected]>; Mon, 10 Jan 2011 04:21:07 +0100 (CET) >>>>>> X-Barracuda-Envelope-From: >>>>>> [email protected] >>>>>> 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....@gmail.com; >>>>>> Received: by qwa26 with SMTP id 26so19352331qwa.19 >>>>>> for <[email protected]>; 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: [email protected] >>>>>> X-Forwarded-For: [email protected] [email protected] >>>>>> _______________ >>>>>> >>>>>> 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 >>>>>> [email protected] >>>>>> 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 >> [email protected] >> http://mailman.fastxs.nl/cgi-bin/mailman/listinfo/dbmail > > _______________________________________________ > DBmail mailing list > [email protected] > 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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