Hi, On Mon, Feb 9, 2026 at 3:41 PM Bill Cole via Postfix-users < [email protected]> wrote:
> On 2026-02-09 at 15:35:08 UTC-0500 (Mon, 9 Feb 2026 15:35:08 -0500) > Alex via Postfix-users <[email protected]> > is rumored to have said: > [...] > > I can add it to recipient restrictions, but I don't want to affect > > general > > incoming mail. > > > > smtpd_recipient_restrictions = > > ... > > check_policy_service inet:127.0.0.1:10031, > > ... > > > > Is there a safe way to add it to the submission service directly? > > Add an override in the master.cf file for smtpd_recipient_restrictions > to the 'submission' entry. > What would that look like? submission inet n - n - - smtpd -o smtpd_tls_security_level=encrypt -o smtpd_sasl_auth_enable=yes -o smtpd_recipient_restrictions={check_policy_service inet:127.0.0.1:10031 ,permit_sasl_authenticated,reject} -o smtpd_relay_restrictions=permit_sasl_authenticated,reject -o milter_macro_daemon_name=ORIGINATING -o receive_override_options=$submission_overrides -o syslog_name=postfix/submission -o sender_dependent_default_transport_maps= -o sender_canonical_maps= -o sender_canonical_classes= -o recipient_canonical_maps= -o recipient_canonical_classes= -o smtpd_milters= -o non_smtpd_milters= -o milter_default_action=tempfail
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