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?
Is sender_canonical_maps buggy? should i deactivate it anyway? Georg Am 26.01.2011 18:11, schrieb Victor Duchovni: > On Wed, Jan 26, 2011 at 10:24:29AM +0100, Georg Sch?nweger wrote: > >> 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 > Don't use sender_canonical_maps, it is essentially an obsolete feature, > its semantics are flawed. Use smtp_generic_maps, selectively per-transport > (master.cf -o smtp_generic_maps=$transportname_generic_maps overrides) > if you need different results depending on destination. >