Delivered-To: customerservice@example.com
Received: by 2002:a2e:45d5:0:0:0:0:0 with SMTP id s204-v6csp753516lja;
        Wed, 26 Sep 2018 10:59:51 -0700 (PDT)
X-Google-Smtp-Source: ACcGV62LaRKlAeJoVcCqIQRgHXwen7bLAev7n/gyBtIF7yWMLpmgBaL1q8D3Qm0zEMcDjPEmCjCz
X-Received: by 2002:a0c:a9d2:: with SMTP id c18-v6mr54933qvb.191.1537984791474;
        Wed, 26 Sep 2018 10:59:51 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1537984791; cv=none;
        d=google.com; s=arc-20160816;
        b=0LNTMB+qiHPz1eHGcLyPLE1FcSmW30xptS1xcbd9Vmy1Wdx3/tg96AUrAeuoDSznHE
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         aNTw==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=message-id:mime-version:auto-submitted:to:subject:from:date
         :dkim-signature;
        bh=/kHg6GHVOA4im8+tNe6f5EdTttqwbtTK3EvxVBpLPe0=;
        b=VNuEQyKlo1YCgSBznYzBqNzJzJHaTqIxYzzEOhVfWH7KP4IdBvSQ5nwbigujfhq+a1
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         Ki/g==
ARC-Authentication-Results: i=1; mx.google.com;
       dkim=pass header.i=@example.com header.s=example header.b="Kh/wMFFv";
       spf=pass (google.com: domain of postmaster@smtp1.example.com designates <IP-Address> as permitted sender) smtp.helo=smtp1.example.com;
       dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=example.com
Return-Path: <>
Received: from smtp1.example.com (smtp1.example.com. [<IP-Address>])
        by mx.google.com with ESMTPS id 144-v6si4528390qkh.294.2018.09.26.10.59.51
        for <customerservice@example.com>
        (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
        Wed, 26 Sep 2018 10:59:51 -0700 (PDT)
Received-SPF: pass (google.com: domain of postmaster@smtp1.example.com designates <IP-Address> as permitted sender) client-ip=<IP-Address>;
Authentication-Results: mx.google.com;
       dkim=pass header.i=@example.com header.s=example header.b="Kh/wMFFv";
       spf=pass (google.com: domain of postmaster@smtp1.example.com designates <IP-Address> as permitted sender) smtp.helo=smtp1.example.com;
       dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=example.com
Received: by smtp1.example.com (Postfix) id 1CEE260DBC; Wed, 26 Sep 2018 17:59:51 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=example.com; s=example; t=1537984791; bh=DalucSR/izsrTI/4cwdDwKrGi8R0OywUerOF7byykLI=; h=Date:From:Subject:To; b=Kh/wMFFvEE/uPx/7qKnYVZZACU6zzLl9S+Jwr1hXSBhIg0mfkqpVXgxvhUxqNkJXw
     xIPvmuJU9ERlA5RqT+xUC3y4kkxIbig6gBogUEFtOkbp1bNj+yWEKxcFpHJXEnDneP
     Na3dzhGZScaUK83sKEPMFkjubyiPR/6uoc5zcEVc=
Date: Wed, 26 Sep 2018 17:59:51 +0000 (UTC)
From: Mail Delivery System <MAILER-DAEMON@example.com>
Subject: Undelivered Mail Returned to Sender
To: customerservice@example.com
Auto-Submitted: auto-replied
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status; boundary="DF7BD600B7.1537984791/smtp1.example.com"
Message-Id: <20180926175951.1CEE260DBC@smtp1.example.com>

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
bounce_notice_recipient = mailer-daemon@example.com
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
debug_peer_level = 2
html_directory = no
inet_interfaces = localhost
inet_protocols = ipv4
internal_mail_filter_classes = bounce
mail_owner = postfix
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
milter_default_action = accept
milter_protocol = 2
mydestination = $myhostname, localhost.$mydomain, localhost
mydomain = example.com
myhostname = smtp1.example.com
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases.postfix
non_smtpd_milters = $smtpd_milters
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES
sample_directory = /usr/share/doc/postfix-2.6.6/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtp_tls_security_level = may
smtpd_milters = inet:127.0.0.1:8891