Re: Help with postfix ... sending messages as news@localhost

On Wed, 31 Dec 2014 20:47:56 +0100
Matěj Cepl <[email protected]> wrote:

> Hi,
> 
> I have fixed and cleaned up pygn (https://gitlab.com/mcepl/pyg, 
> originally https://packages.debian.org/sid/pyg) so that now I am 
> able to add to my ~/.procmailrc this line:
> 
> :0:                                                                             
> *
> ^List-Id:.*cebranik.evangnet.net | pygm2n -l $HOME/.log-pygm2n -a
> [email protected] -n local.faith.cebranik
> 
> Which works perfectly for INCOMING messages, messages from the 
> list are redirected to my local newsgroup.
> 
> Local group local.faith.cebranik is defined in 
> /etc/leafnode/local.groups as
> 
>     local.faith.cebranik    m       List příznivců ČCE Braník
> 
> with moderation defined in /etc/leafnode/moderators as
> 
>     local.faith.cebranik:[email protected]
> 
> I would hope this moderation construct could do the other side 
> of the gateway, sending posts to my newsgroup to the list (for 
> “approval”, but in fact it would work as news2mail gateway).
> 
> Unfortunately, it doesn't work. Despite From: header being sent 
> correctly, all those messages are send via postfix as coming 
> from [email protected] (mitmanek is a short hostname of 
> the computer the leafnode runs on), which certainly doesn’t make 
> my ISP’s smtp server much happy.
> 
> Can I persuade leafnode to set up envelope Sender for the 
> approval messages as the same as From in the message itself 
> (which is set by the newsreader), or does anybody have developed 
> a method how to persuade postfix to rewrite sender address to be 
> the same as From iff the mail comes from the user news?
> 
> Best,
> 
> Matěj
> 

I played around with Postfix years ago.  I think that I had the same
problem, or something like it.  There is a mailing list for Postfix.
This "standard example" is for somebody in your situation (I think):
http://www.postfix.org/STANDARD_CONFIGURATION_README.html#fantasy
Many others are shown there.

Doug.
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