On Fri, Nov 03, 2023 at 12:18:05PM -0400, Chris Siebenmann wrote: > > The modification to List-Id also leaves me wondering about > > "Sender". I was previously under the impression mailing lists > > used/modified this, but apparently not.
> My impression is that Sender is relatively obscure now. It was > originally mostly used to identify a human who had sent the message > 'on behalf of' the From: address. In practice various mail clients > and MTAs would add a Sender: if they could identify that the > submitter of the message wasn't the From:. Most mailing lists didn't > set a Sender: because they weren't acting this way (or didn't > consider themselves to be). I believe exim still adds a Sender header when a message is submitted via stdin with the -f option (which can only happen when you're one of the "trusted" users). I should check what hapens when you do this with msmtp, the program I task with the submission role. -- Ian -- ## subscription configuration (requires account): ## https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/ ## unsubscribe (doesn't require an account): ## exim-users-unsubscr...@lists.exim.org ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/