Matthew Kitchin:
> On Thu, May 22, 2025 at 10:46?AM Wietse Venema <wie...@porcupine.org> wrote:
> >
> > How can I help? The purpose of my request is to find out if the
> > unexpected display name change happens before Postfix receives the
> > message, while Postfix processes the message, or after Postfix
> > delivers the message.
> >
> I'm sorry. I just realized these replies were going to you and not the
> list. Adding list back.
> My path (for testing) is Thunderbird => Postfix => Azure SMTP => Corp
> Outlook&Personal Gmail
> I added the logging you indicated, and I don't believe we see any sign
> of Posftix changing it. It is a very minimal Postfix relay server.
> Case 1, Thunderbird sends as f...@example.com with display name John
> Doe - all good.
> Case 2, Thunderbird sends as fo...@example.com with this line in
> main.cf sender_canonical_maps = f...@example.com
> In case 2, header on received end now shows display name as
> "f...@exampled.com"
What is the "Case 2" Postfix From: logging?
- The logging from the cleanup proccess shows the From: display
name as received by Postfix, before canonical mapping.
- The logging from the smtp process shows the From: display name
as delivered by Postfix, after canonical mapping.
Please show complete logfile records including the date, time, and
so on.
Wietse
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