Thank you for your reply.
I sent a test mail to my Gmail account and this is what I see.
Delivered-To: mygmail@gmail.com
Received: by 2002:adf:a2cb:0:0:0:0:0 with SMTP id t11csp88466wra;
Thu, 4 Aug 2022 01:29:23 -0700 (PDT)
X-Google-Smtp-Source: AA6agR6C5v4FqIYma1YVp++qvSel9+pDi3+XIe6qDx9xK5m9MmlAolgnLelSae2f0uWW4jwQWu3j
X-Received: by 2002:a05:6512:3f05:b0:48a:ca44:80f2 with SMTP id y5-20020a0565123f0500b0048aca4480f2mr336154lfa.224.1659601763444;
Thu, 04 Aug 2022 01:29:23 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1659601763; cv=none;
d=google.com; s=arc-20160816;
b=pCD3GIoA5/KfI7BPCXCNdEoa8rIbLr3a2Op5iT68V2w3VBXWGmC+lrdIol8jFGxEJX
qIudcgw+MNEE/rcRbRIDwGZVg5XY3QIrm5f6JVvhDoHQgcrOxROTGJ/oLMaotFJwje5X
/QZnn5xy4s5824HYhFXxiciQIjb8Qq5zG7EKq7OOwvjgdy/WQnJQz6AMBYnpofeLqQn8
r7jYfZHNB+7Nf9i8QjA8+Qpiua5qocPE+n6bMI976KM6rDc9DP8tiGAtKZtG83ssFIUR
kj3kNjDg9EOVJWW4cfXySFEJiHfZfXser/2yWh9kaH0SToIHHXiT7bcUFCnfd/7Y6x+6
tiJQ==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
h=content-transfer-encoding:message-id:subject:to:from:date
:mime-version:dkim-signature;
bh=zoPeF4ezZORxXKwuU5JzkuwNlup9ouMZiltczKD8eLY=;
b=vSqZBdufsPbtoD7InFaItmkuM+Vvsh3+s9HYUOp6OA1VJ2O2Fb+M+a5GLmoSOHvJKi
yEUqhynnY1shS/UphGlYNyG3+Ug/eeKsXWSBVnSmhwoF6T91AHS2aXCBCBGVtiv9P9Af
qUilu7B0ziP2DNSHiCo0bsdxAhgZjZzr68wDZsGX2rWEmeLxyNmVtjsdd5U3ril2Cdnd
haCw3CdFJIBHYXGZ1FfveB+WqTbsoQuqzo6xhmFbx8eOHGaZ5gS3vMIbrPFIC1bf2asT
PITXQ2iLNA2uD6vOSv7mlqW+ErRSYlsvQBorh0b2j/LrgGUi+VoFRmvK8WzhQaHjLgcN
A/Bg==
ARC-Authentication-Results: i=1; mx.google.com;
dkim=pass header.i=@mydomain.net header.s=202109 header.b=PMargNDy;
spf=pass (google.com: domain of admin@mydomain.net designates xxx.xxx.x.3 as permitted sender) smtp.mailfrom=admin@mydomain.net;
dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=mydomain.net
Return-Path: <admin@mydomain.net>
Received: from mydomain.net ([xxx.xxx.x.3])
by mx.google.com with ESMTPS id e20-20020a2ea554000000b0025e293efae6si218908ljn.329.2022.08.04.01.29.23
for **mygmail**@gmail.com
(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);
Thu, 04 Aug 2022 01:29:23 -0700 (PDT)
Received-SPF: pass (google.com: domain of admin@mydomain.net designates xxx.xxx.x.3 as permitted sender) client-ip=xxx.xxx.x.3;
Authentication-Results: mx.google.com;
dkim=pass header.i=@mydomain.net header.s=202109 header.b=PMargNDy;
spf=pass (google.com: domain of admin@mydomain.net designates xxx.xxx.x.3 as permitted sender) smtp.mailfrom=admin@mydomain.net;
dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=mydomain.net
Received: from mydomain.net (localhost [IPv6:::1]) by mydomain.net (Postfix) with ESMTPA id 689831FD19 for **mygmail**@gmail.com; Thu,
4 Aug 2022 11:29:21 +0300 (EEST)
DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mydomain.net; s=202109; t=1659601761; bh=zoPeF4ezZORxXKwuU5JzkuwNlup9ouMZiltczKD8eLY=; h=Date:From:To:Subject:From; b=PMargNDyIdk983GBTaDVwAvlvSdG9vPrlW/RHjHr05J6EzY7jN/hrowjbyduWOa/h
8ZsjPap4qx5C+gGBjdOLNE81UdZhbbOdKUG/Vh2/UjgQNlT77VwJulZpR3DQz9bYwi
V9krfCWCiB3NKnqNOkB47sfoerj0HoxmCjGjJi7DcxrBz+i07dIyNqRJy4m8QloS+n
YYuKa67fWv6WpJ3CaiJqFvlH0IYoJPZMFwoGaXj6+AtBC8MxprfQsuWcRrs+ykbH1x
DA9eZI2kFOqh3SeeKVh8nLLDRofCW5wAGM/gra4/dNntcMMOdrjhzFlbTYSpK0Kv3c
Vv2rex1EbhWhg==
MIME-Version: 1.0
Date: Thu, 04 Aug 2022 12:29:21 +0400
From: “admin-mydomain.net” <admin@mydomain.net>
To: mygmail@gmail.com
Subject: Hello
Message-ID: <359bbc043aa5107cda2e3427b5aab5e9@mydomain.net>
X-Sender: admin@mydomain.net
Content-Type: text/plain; charset=US-ASCII; format=flowed
Content-Transfer-Encoding: 7bit
