On Wed, Sep 04, 2024 at 06:45:03PM -0400, Wietse Venema via Postfix-users wrote:
> > why set smtpd_reject_unlisted_recipient=no here?
>
> Because this is an MUA service. Unlike an MTA, an MUA usually cannot
> send non-delivery notifications.
Not only that but the "user-experience" when submissio
LinuxMail.cc via Postfix-users:
>
> Hello,
>
> In my main.cf I have this setting,
>
> smtpd_reject_unlisted_sender = yes
>
> which I know the reason for existing.
>
> But in master.cf I see this option,
>
> submission inet n - y - - smtpd
>-o smtpd_reject_unl