header rewrite

[keeskas]

Hi,

I few years ago i asked a question about header rewriting on our mailrouter (postfix), a that time it wasn't possible. We are now in a process of replacing this mailrouter and thinking of rebuilding it in a bsd/postfix way or use youre product.

As i found proxmox on the web i am curious if the proxmox product can do the rewriting as mentioned in the quote

Is it in anyway possible to change the "return-path" of a msg with
postfix.


The reason is as follows:


When somebody is a delegated user of a "department" mailbox and he is
sending out messages on behalf of this mailbox. His personal adress
shows up as the "sender", the original mailbox shows up as the "from".


As we do not want the individual usernames to show up i used the
header_checks to do an ignore the "sender"line if it matched my
criteria.


This worked but...... As postfix recontructs the "return-path" for
every message i hoped that the "return-path" path would be set to the
"from" and not to the "sender" (which isn't there anymore). This didn't
work, probably because of the sequence postfix processes things.


After doing some reading i understand that recreating the return-path
from the message headers is a must for MTA's (rfc822 ?), so is the
problem on the last MTA before msg delivery ?


In short:


I don't want the adress of individual delegated users to show up in the
messagesource


Can i change the return-path to match the "from"
or
Can i change the return-path to something like mailerr...@mydomain.org
(although i realize that some spoof checking spamfilter will have a
problem with this last one)

Greetings,

Kees

 

[dietmar]

Postfix has the following address rewriting features:

http://www.postfix.org/ADDRESS_REWRITING_README.html

Proxmox uses Postfix as MTA, but we do not have a web interface for those settings.

- Dietmar

 

[keeskas]

thanks for the info,

i'll try, proxmox could make my live easier.


Greetings,

Kees