On Tue, Nov 26, 2024 at 12:20:12PM -0500, Wietse Venema via Postfix-users wrote:
> > > /^4(\.\d+\.\d+ TLS is required, but host \S+ refused to start TLS: .+)/
> > > 5$1 No luck today
> >
> > Where is "No luck today" shown then? Only in the DSN or also in the SMTP
> > session?
>
> 2 - As documented this is a Postfix delivery agent feature.
>
> 3 - As documented:
>
> This feature will change the enhanced status code and text
> that is logged to the maillog file, and that is reported to the
> sender in delivery confirmation or non-delivery notifications.
Not only that, but it can turn hard failures (bounces) into temporary
errors (message stays in the queue) and vice versa.
--
Viktor.
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