Feature wishlist: Allow to hide client IP/host in submission service

[Sebastian Krause]

Tom Sommer <mail at tomsommer.dk> wrote:
> Check https://github.com/dovecot/core/pull/74
>
> Unsure if it covers Submission though

Unfortunately not, the "Received" header is added here and there is
no check for an option:

https://github.com/dovecot/core/blob/25f6146c1e04ae8419fbba30f193332f71945dc4/src/submission/submission-commands.c#L245