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
