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.
--
Viktor.
