About "received" header when using Dovecot proxy

[Tom Sommer]

On 2019-12-02 13:42, Riku via dovecot wrote:
> Hello.
> My name is Riku.
> 
> Currently, I use Dovecot as a proxy for another SMTP server.
> However, this seems to cause the IP address of the "received" header
> to be that of the proxy server.
> Is it possible to change this so that the IP address of the sender is 
> entered?
> The version of Dovecot is "2.3.8 (9df20d2db)".
> Sorry for the incomprehensible explanation.

This has been discussed a few times on the list already, and I believe 
there is a fix coming at some point: 
https://github.com/dovecot/core/pull/74

Currently there is none

--
Tom