so how should the sender_canonical file look like? Actually it looks like; @server.localdomain i...@example.org
so every email which comes from @server.localdomain (root@server.localdomain, user@localdomain...) should be replaced with the existing address i...@example.org. But this doesn't work always, also the header "From: .." gets changed, i explained that in my first mail. Georg Am 27.01.2011 07:38, schrieb Victor Duchovni: > On Wed, Jan 26, 2011 at 07:42:47PM +0100, Georg Sch?nweger wrote: > >> aha, thx for this info! I tried smtp_generic_maps already, the problem >> with that is that it overrides envelope AND header addresses. I want to >> override only the envelope address (Return-Path). Any other ideas? > If it just for the envelope sender, sender_canonical_maps is not as > problematic, since the semantic issues arise when headers are rewritten > inconsistently (different rewriting of From:/To:/Cc:/Reply-To:). > >> Is sender_canonical_maps buggy? should i deactivate it anyway? > Not buggy, just difficult to use correctly. > >>>> i have here postfix 2.6.5 on Ubuntu. Outgouing mails are sent via an >>>> external SMTP Server (relayhost..). When i send an email from a local >>>> user to a real email address i have in the email header "Return-Path: >>>> root@SERVER_NAME". So i can't get back any bouncing or error mails.. I >>>> use the server mainly for websites so when i send mails via the >>>> webserver then i have the same problem, the envelope sender is >>>> "www-data@SERVER_NAME" (i know i could change this via PHP-Mail command >>>> but i'm using a CMS and i won't change that..) So i tried to masquerade >>>> ONLY the envelope sender address. For this i use Canonical address mapping. >>>> /etc/postfix/main.cf: >>>> sender_canonical_classes = envelope_sender >>>> sender_canonical_maps = hash:/etc/postfix/sender_canonical > With appropriate table data, it should be possible to rewrite given > envelope senders to given alternative envelope senders. >