Sim, você deveria estar fazendo uma mudança. Você deveria estar adicionando um registro SPF para seus domínios para tornar muito mais difícil para as pessoas fingirem ser você.
Meu domínio (vamos chamá-lo de acmecorp.com) está configurado com um curinga que redireciona *@acmecorp.com para o meu email principal [email protected]
Recentemente, recebi o seguinte e-mail Estou pensando se preciso agir. Eu nunca usei o endereço: [email protected]
Eu removi algumas informações para proteger a identidade do remetente aparentemente legítimo do OOS.
Delivered-To: [email protected]
Received: by 10.237.32.47 with SMTP id 44csp7220191qta;
Sun, 1 Jan 2017 15:51:39 -0800 (PST)
X-Received: by 10.194.58.198 with SMTP id t6mr45781381wjq.44.1483314699817;
Sun, 01 Jan 2017 15:51:39 -0800 (PST)
Return-Path: <>
Received: from hostingsmtp.register.it (hostingsmtp60.register.it. [81.88.56.20])
by mx.google.com with ESMTPS id s62si45272678wms.127.2017.01.01.15.51.39
for <[email protected]>
(version=TLS1 cipher=AES128-SHA bits=128/128);
Sun, 01 Jan 2017 15:51:39 -0800 (PST)
Received-SPF: pass (google.com: best guess record for domain of [email protected] designates 81.88.56.20 as permitted sender) client-ip=81.88.56.20;
Authentication-Results: mx.google.com;
spf=pass (google.com: best guess record for domain of [email protected] designates 81.88.56.20 as permitted sender) smtp.helo=hostingsmtp.register.it
Received: from monti-backend13.it.dadainternal ([172.20.42.13])
by paganini33 with
id TBrf1u00W0H2WSs01BrfqW; Mon, 02 Jan 2017 00:51:39 +0100
X-Sieve: Pigeonhole Sieve 0.4.6 (4b9b9a88ac9b)
Message-ID: <dovecot-sieve-1483314699-430747-0@monti-backend13.it.dadainternal>
Date: Mon, 02 Jan 2017 00:51:39 +0100
From: <gabry@marc<redacted>ia.com>
To: <[email protected]>
Subject: Fuori ufficio - Out of office
In-Reply-To: <[email protected]>
References: <[email protected]>
Auto-Submitted: auto-replied (vacation)
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Sarò assente dal 30 Dicembre al 5 Gennaio.
<snip, redacted for privacy but looks realistic, more contact details for other people in the office>
Grazie.
I'll be away from Friday 30th December until Thursday 5th January and will not have access to e.mail until I return.
<snip, redacted for privacy but looks realistic, more contact details for other people in the office>
Thank you.
É seguro ignorar isso? Se não, quais ações adicionais eu preciso fazer? Feliz em fornecer mais informações.
Muito obrigado.
Tags security email spam-prevention