[Pkg-exim4-users] Need to rewrite Reply-To: and possibly Sender

Magnus Holmgren holmgren at lysator.liu.se
Sun Jun 18 21:58:48 UTC 2006

On Sunday 18 June 2006 09:32, Michael Gracy took the opportunity to write:
> I know that most view this as the wrong thing to do, but I feel I have a
> decent reason why.
> I have a debian sarge box running exim4 configured with
> localhost.localdomain and routing through remote smtp smarthost.  Email
> from it sends just fine via the phpmail module that the web site uses.
> The problem is that some external smtp servers are choking on Reply-To:
> www-data at localhost.localdomain.  This is an obviously unroutable
> address.
> The From field is being populated correctly and the phpmail app does
> specify the Reply-To, but it's getting rewritten by exim to the www-data
> address.

Do you really mean Reply-To:? There is no reason for Exim to rewrite it; you'd 
have to configure it explicitly. Are you talking about Sender or Return-Path? 
Note that Return-Path is normally not added until the mail is delivered to 
the final recipient, because it contains the envelope sender which is until 
then transported outside of the message itself.

> I threw this into my update-exim4.conf.conf:
> dc_headers_rewrite='$h_from: = $h_reply-to:'
> Now I get in the header: Return-Path: <www-data at mydomain.com> This gets
> me half way there.  Now I just need to be able replace the www-data with
> the value to the left of the @ in the From field.
> Any ideas?  I am a complete newbie to Exim and am suprised I<m got this
> far.

You can add www-data to trusted_users. That will stop Exim from messing with 
any headers or envelope senders and let phpmail specify any values. Which 
might be a bad thing if users can run their own PHP scripts as www-data.

Magnus Holmgren        holmgren at lysator.liu.se
                       (No Cc of list mail needed, thanks)
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