On 2008-06-24 at 19:14 +0100, Chris Edwards wrote:
> On Tue, 24 Jun 2008, Phil Pennock wrote:
> 
> | > |   max_rcpt = 1
> | > |   headers_rewrite = [EMAIL PROTECTED] 
> | > |    [EMAIL PROTECTED]/etc/mail/subaddress-maps/[EMAIL PROTECTED] f
> | 
> | Plus the line you quoted in the mail further down:
> |   In the header rewrite, use $1 as originally stated.
> 
> But shurely $1 also is the local_part of the sender ?
> (as we're rewriting a sender address) 

This is getting embarrassing.  Re-reading what I wrote before, no, I did
mean $local_part but you found out I was wrong.

Spec 31.4 has the bit I forgot:
----------------------------8< cut here >8------------------------------
The variables $local_part and $domain can be used in the replacement string to
refer to the address that is being rewritten.
----------------------------8< cut here >8------------------------------

Setting up a test environment is more hassle than I want just now; I've
just checked and the rewrite code doesn't appear to adjust
$parent_local_part or $original_local_part.  How useful those are depend
upon what redirection has already happened.  If you're not already using
address_data, then one workaround is to preserve $local_part or
[EMAIL PROTECTED] in the address_data option on the Routers and
pull it back out again via $address_data (or ${local_part:$address_data}
) in the Transport.

$parent_/$original_ have the downside of being potentially fragile
depending upon other Routers.

$address_data has the downside of needing to be set on every Router
using this transport and preventing you from using it otherwise.

> So it would seem to not matter whether I use $1 or $local_part.  Neither 
> correspond to the message recipient :-(
> 
> Sorry if I'm being thick!

You weren't.  I was being both thick and forgetful.

-Phil

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