我刚刚将我的网站移至另一家托管服务提供商。我使用 SSL/TLS 来确保连接安全，并使用端口 995。它可以发送我的邮件，但问题是 gmail 显示This message was not encrypted红旗。
我联系了托管服务提供商，他们回复说他们的服务器使用 TLS 加密来传输电子邮件，但不会加密电子邮件本身。他们说他们无能为力。
这让我很困惑，难道使用 TLS 加密本身不就意味着会自动加密消息吗？有什么办法可以消除这个危险信号吗？
谢谢！
编辑：这是消息标题
Delivered-To: [email protected]
Received: by 10.25.125.70 with SMTP id y67csp120510lfc;
Fri, 25 Mar 2016 04:39:05 -0700 (PDT)
X-Received: by ....83 with SMTP id 80mr38822350wma.76.1458905945860;
Fri, 25 Mar 2016 04:39:05 -0700 (PDT)
Return-Path: <[email protected]>
Received: from sip......net ([....153])
by mx.google.com with ESMTP id g5s......4.39.05
for <[email protected]>;
Fri, 25 Mar 2016 04:39:05 -0700 (PDT)
Received-SPF: pass (google.com: domain of ...rd.com designates 87.76.19.153 as permitted sender) client-ip=....153;
Authentication-Results: mx.google.com;
dkim=pass [email protected];
spf=pass (google.com: domain of [email protected] designates ......153 as permitted sender) [email protected]
Comment: DomainKeys? See http://domainkeys.sourceforge.net/
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
s=default; d=....com;
b=YHNywjgHFWNR5FmdxEvGk2/8WNw8AgRe+inDncCSKtz09ftSIrQHqdLxzDvR16JW+AP4g784aIUAV7Y6k1arDA6vAkjHZwC8j8rsJLrhmnsroAlNiKg+oHCqPxMHCs8D7+36G53Sdy6nvhM3Jo4NriI+acTNi9/BeMX4U1LgQ8k=;
h=Received:Received:To:From:Subject:Message-ID:Date:User-Agent:MIME-Version:Content-Type:Content-Transfer-Encoding;
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=....com; h=to:from
:subject:message-id:date:mime-version:content-type
:content-transfer-encoding; s=default; bh=H54ykBr5z+w0HlaAcOLIHY
pgyhk=; b=kLng1/OJTssDS5BDYcgDKuJOfnTOK8sieNSbRyetCGpWCpqjRUdopX
otwjAPzuLx/aV5JEg6kVf/c7CDC1rV3GaxmieWri0bpmKiHTB+yj1S0glR38RdaD
AQLE+gV6hofyf5syPp8FXLKe2/gOfpzE0OCedMiEeY6Tho9z01zt0=
Received: (qmail 33746 invoked by uid 108); 25 Mar 2016 07:39:02 -0400
Received: from unknown (HELO ?....0.100?) ([email protected]@....124)
by sipuk......net with ESMTPSA; 25 Mar 2016 07:39:02 -0400
To: ... ... <[email protected]>
From: ... <[email protected]>
Subject: probavam
Message-ID: <[email protected]>
Date: Fri, 25 Mar 2016 12:38:52 +0100
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101
Thunderbird/38.7.0
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
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