屑俺日記

☆ From: も To: も出鱈目

Return-Path: <w******@g**********.com>
X-Original-To: $ACCOUNT@$HOST
Delivered-To: $ACCOUNT@$HOST
Received: from 155.197.189.179.novanetnp.net.br (unknown [179.189.197.155])
	by $SMTP_SERVER (Postfix) with SMTP id 19D37400A4
	for <$ACCOUNT@$HOST>; Fri, 16 Jul 2021 04:13:08 +0900 (JST)
From: "R**** G*****" <w******@g*********.com>
To: <y******@q*********.com>
Subject: Investment opportunity
Date: Thu, 15 Jul 2021 14:12:07 -0500

From: の名前で検索するといくつか。有名人を詐称している模様。
To: のアドレスで検索しても何もなし。
でも、SMTPのログは確かにこちら向けであった。

Jul 16 04:13:05 $SMTP_SERVER postfix/smtpd[28036]:
 warning: hostname 155.197.189.179.novanetnp.net.br
 does not resolve to address 179.189.197.155:
 Name or service not known
Jul 16 04:13:05 $SMTP_SERVER postfix/smtpd[28036]:
 connect from unknown[179.189.197.155]
Jul 16 04:13:09 $SMTP_SERVER postfix/smtpd[28036]:
 19D37400A4: client=unknown[179.189.197.155]
Jul 16 04:13:13 $SMTP_SERVER postfix/cleanup[28041]:
 19D37400A4: message-id=<>
Jul 16 04:13:13 $SMTP_SERVER postfix/qmgr[27323]:
 19D37400A4: from=<w******@g**********.com>, size=1836, nrcpt=1 (queue active)
Jul 16 04:13:13 $SMTP_SERVER postfix/virtual[28042]:
 19D37400A4: to=<$ACCOUNT@$HOST>, relay=virtual,
 delay=5.8, delays=5.8/0.01/0/0, dsn=2.0.0, status=sent (delivered to maildir)
Jul 16 04:13:13 $SMTP_SERVER postfix/qmgr[27323]: 19D37400A4: removed

怪しげなホスト名とか、もう少し締めようか。