Ellie via Postfix-users:
> On 2/3/25 11:56 PM, Wietse Venema via Postfix-users wrote:
> > If this is for messages submitted on port 587 (submission) or 465
> > (smtps or submissions), then you can simply delete all Received:
> > message headers, because there shuold be only one.
> Thanks so much for your helpful response! I wonder, does postfix reject
> unauthenticated mail from port 587 and 465, in the common config where
> open relay access is disabled? From reading my own master.cf I feel like
> it doesn't. Wouldn't it then strip from some external incoming mail as
> well? That would seem a little strange.
The submission configurations as distributed have
smtpd_recipient_restrictions=permit_sasl_authenticated,reject
which will reject mail without SASL login.
Wietse
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