forwarding emails using sieve

[Thorsten von Eicken]

On 6/1/2016 7:58 AM, Stephan Bosch wrote:
>
>> It looks like the dovecot sieve implementation doesn't let me change 
>> the From header in the sieve script. Is there a way to accomplish 
>> what I'm looking for?
>
> Changing the "From" header field can be done using the "editheader" 
> extension (https://tools.ietf.org/html/rfc5293).
>
> require "editheader";
>
> deleteheader "From";
> addheader "From" "User <user at example.com>";
>
> Note that this extension is not enabled by default and thus requires 
> explicit configuration.
That's what I was missing, thanks!
Thorsten