[LRUG] [META] List “who these emails are from" settings change

[Murray Steele]

So, thanks to Scott replying to the boot time thread (
http://lists.lrug.org/pipermail/chat-lrug.org/2025-February/026241.html)
while I was typing out this last message I can actually see what this looks
like.  The headers will now be:

From:  will now be “<%= author.name %>via Chat” <chat at lists.lrug.org>
Reply-to: will now be “London Ruby Users Group” <chat at lists.lrug.org>
CC: will now include “<%= author.name %>” <<%= author.email %>>

Can’t see this on my own message because I think either gmail or the list
(can’t remember which) just don’t send me my own messages.

Cheers,

Murray

On Thu, 6 Feb 2025 at 15:20, Murray Steele <murray.steele at gmail.com> wrote:

> Hi folks,
>
> As list moderators we’re starting to see an uptick in bounced messages
> because of DMARC settings.
>
> What this means is if someone posts to the list from a domain with DMARC
> of “reject” then when that message is received by a DMARC compliant server
> it will be bounced back to the list.  This increments the bounce count for
> the _receiver_ of the message, and eventually, on a high traffic enough
> list they will be quietly unsubscribed.  They aren’t getting some messages
> and then they don’t get _any_ message.
>
> We’ve tried a setting that is supposed to understand if the message is
> coming from a strict DMARC domain and massage the “from” headers so it no
> longer looks like it’s come from that domain.  It doesn’t seem to be doing
> anything though, so we’re changing the list to do this to _every_ mail.
>
> What this means is it’ll be _slightly_ harder to reply directly to people
> instead of the list, but more emails to the list should actually make it to
> everyone’s inboxes.  Not really sure what it’ll look like yet, but I guess
> I will once this email is sent.  Should mean everyone gets all the messages
> though and only real “can’t send this message to this inbox” bounces (e.g.
> email address isn’t valid) will cause eventual unsubscription.
>
> If we can work out why the “only for emails from strict DMARC domains”
> setting isn’t working, we might change this back.  But for now, just take
> care when replying especially if you wanted to reply to the sender, not the
> list.  There’s no setting for a mailing list that means you don’t need to
> do this, unfortunately.
>
> Cheers,
>
> Murray
>
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