Почему postfix отправляет локальный from, ведь из-за этого сторонние сервера не могут верифицировать отправителя?
From root@homedomain Mon Jul 25 04:06:12 2022
Return-Path: <root@homedomain>
X-Original-To: user@example.or
Delivered-To: user@example.or
Received: by example (Postfix, from userid 0) id 380C8C111D; Mon, 25 Jul 2022 04:06:12 +0800 (+08)
Subject: test message
To: <user@example.or>
X-Mailer: mail (GNU Mailutils 3.10)
Message-Id: <20220724200612.380C8C111D@example.or>
Date: Mon, 25 Jul 2022 04:06:12 +0800 (+08)
From: root <root@homedomain>
Конфиг
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
myhostname = example.or
mydomain = mail.example.or
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = $myhostname, localhost.$mydomain, $mydomain, mail.$mydomain
relayhost = $mydomain
mynetworks = 127.0.0.0/8
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = ipv4
