Re: [exim] How to include transport info

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Autor: Phil Pennock
Datum:  
To: Todd Lyons
CC: exim-users
Betreff: Re: [exim] How to include transport info
On 2010-10-01 at 16:25 -0700, Todd Lyons wrote:
> Ok, so here is the logic I am using:
>
> 1. If user is using SMTP Auth, the first From: header address must
> match the authenticated address, thus use the authenticated address to
> generate signing domain.
> 2. If user is sending via webmail then use the first address in the
> From header (tests for a webmail header and from a webmail hostlist
> are done elsewhere in an acl and router) to generate the signing
> domain


To rephrase:
  if condition:
    use value which must be equal to the first From: address
  else:
    use the first From: address


Which reduces to:
use the first From: address

which is:
${sg{${addresses:$h_from:}}{:.*}{}}

and then the ${local_part:...} and ${domain:...} expansion operators to
extract from that.

-Phil