Replacing email envelope

[Jon]

> On 20.11.2018 23.51, jon.sp2 at wp.pl wrote:
>> Hi,
>>
>> Could you please advice how I can replace envelope of a message 
>> received on my server? Best would be using sieve.
>>
>> Simple case - email A at example.com <mailto:A at example.com> receives 
>> message, which I'd like to repack into new envelope (I want to have 
>> control what values in the envelope will be there - from, to, 
>> replay-to et.c) and send to B at test.com <mailto:B at test.com>.
>>
>> At first I wanted to use editheader extension, but it is not allowing 
>> me to modify From or To values as far as I can tell. Another idea was 
>> to use envelope, but I don't see any way of editing values. Only reading.
>>
>> Now, I am thinking of writing script and from sieve it will be passed 
>> there, where I'll do message parsing and send new message using mutt 
>> or something similar. Frankly speaking I suppose there is much better 
>> solution to that and I'd appreciate any advice on the topic.
>>
>> Thanks,
>> Jon
>
> sieve redirect could maybe do this?
>
> Aki
>

 From what I read redirect can only redirect message and doesn't give me 
any control over envelope that message will be in. So I am only able to 
use some global settings and not per message. Is that correct? Or can I 
modify it somehow?

Jon