Hey all, former longtime user, but been away from Postfix for about 13 years.
I'm migrating a datacenter to Azure. We have a variety of things
(websites, copiers, monitoring apps, etc.) that send emails that don't
need to be replied to. In an Azure environment, we have to route these
through Azure
On Wed, May 21, 2025 at 6:34 PM Viktor Dukhovni via Postfix-users
wrote:
>
> The above is correct, but Setting it aside the for a moment, have you
> considered relaying the outbound mail from Azure via an on-prem
> submission service you control? That way, you're not subject to
> Azure's policie
On Thu, May 22, 2025 at 10:46 AM Wietse Venema 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 jus
On Thu, May 22, 2025 at 11:55 AM Wietse Venema via Postfix-users
wrote:
> 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 F
On Thu, May 22, 2025 at 11:58 AM Marvin Renich via Postfix-users
wrote:
>
> What is «postconf sender_canonical_maps»? Is it
>
> sender_canonical_maps = f...@example.com
>
> If so, you need to read «man 5 canonical». sender_canonical_maps should
> be a mapping table with each row containing a pa
On 5/22/2025 2:34 PM, Wietse Venema via Postfix-users wrote:
Postfix receives the message with
From: John Doe
May 22 16:58:23 vm-prod-netbox postfix/qmgr[265519]: 6A63814A356:
from=, size=597, nrcpt=1 (queue active)
May 22 16:58:24 vm-prod-netbox postfix/smtp[438515]: 6A63814A356:
info
On 5/22/2025 6:13 PM, Wietse Venema via Postfix-users wrote:
carespot-donotre...@carespot.com${2}
CAUTION: this is not needed. Your canonical mapping already does a
better job: it fixes both the sender address in the header and in the
envelope (the MAIL FROM command).
Thank you. I found the cu
On 5/22/2025 3:33 PM, Wietse Venema via Postfix-users wrote:
To be precise, Postfix delivers the message with the 'good' display
name in the From: header. The unexpected change happens after Postfix
has delivered the message to some other system.
Maybe Azure SMTP is doing something to the messa
