[clug] thunderbird displayed "From"

Owen owen.cook at gmx.com
Sat Jun 15 07:59:34 UTC 2019

> Recently (I forget how long) I noticed that in thunderbird, the From item in the mail item panel
> as well as in the folder column is showing "list CLUG" rather than the senders name.
> Since many people do not include their name in a sig (or a final salutation) I do not know who
> the person really is. For example, a thread today comes from Steve Jenkin who has a clear sig,
> and a reply then comes which I cannot see the sender. The headers clearly include
> 	From: Keith Goggin via linux <linux at lists.samba.org>
> and the quote in the reply starts with
> 	On 14/6/19 4:37 pm, steve jenkin via linux wrote:
> so the information is there and used otherwise - so why not in the "From" column?
> Is this a recent thunderbird configuration change (by me or through an update, now version "60.4.0 (64-bit)")?
> Or maybe this is something in the list manager?

It may not be a Thunderbird problem. The set up of a mailman mailing lists allows all sorts of options. These are the General addressing and "Reply-To:" header munging options.  What combination of option the CLUG list has is unknown to me.

.  Replace the From: header address with the list's posting address to mitigate issues stemming from the original From: domain's DMARC or similar policies.

.  Hide the sender of a message, replacing it with the list address (Removes From, Sender and Reply-To fields)

.  Should any existing Reply-To: header found in the original message be stripped? If so, this will be done regardless of whether an explict Reply-To: header is added by Mailman or not.

.  Where are replies to list messages directed? Poster is strongly recommended for most mailing lists.

Sorry if this is old hat for you.


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