邮件的收件人在源码里不需要指定吗？

[dhb233]

这个帖子 t/1043592 我也收到了类似的邮件，比较奇怪的是收件人。 收到的是 139 邮箱。但是收件人是手机号 @163.com,印象中没注册过 163 邮箱，尝试登陆，也提示冻结。 所以收件人为什么是错误的？

源码

X-RM-TagInfo: emlType=0                                       
X-RM-SPAM:                                                                                        
X-RM-SPAM-FLAG:00000000
Received:from  (unknown[207.226.244.122])
    by rmmx-lg_mx16-12075 (RichMail) with SMTP id 2f2b665032ee627-ab6f1;
    Fri, 24 May 2024 14:25:51 +0800 (CST)
X-RM-TRANSID:2f2b665032ee627-ab6f1
X-CSE-ConnectionGUID: HsSPZU5hSWuPz5NK+NaouQ==
X-CSE-MsgGUID: GrB1DL6mQtG5oQjyGFB8HA==
X-IronPort-AV: E=Sophos;i="6.08,184,1712592000"; 
   d="scan'208";a="2759498"
Date: Fri, 24 May 2024 14:25:39 +0800 (CST)
From: [e-mail]
Message-ID: <98232904.647480.1716531939402@10.56.8.202>
Subject: =?UTF-8?B?6YKu5Lu26YCa55+l5rWL6K+V77yI5b+955Wl77yJ?=
MIME-Version: 1.0
Content-Type: multipart/mixed; 
    boundary="----=_Part_647478_1586142583.1716531939402"
guardmail: guardmail

------=_Part_647478_1586142583.1716531939402
Content-Type: multipart/alternative; 
    boundary="----=_Part_647479_1048945230.1716531939402"

------=_Part_647479_1048945230.1716531939402
Content-Type: text/html;charset=utf-8
Content-Transfer-Encoding: base64

PHA+6YKu5Lu26YCa55+l5rWL6K+VPC9wPg==
------=_Part_647479_1048945230.1716531939402--

------=_Part_647478_1586142583.1716531939402--

[dhb233]

为什么图片加载不出来。。。

[hefish]

这个邮件正文了吧，具体收件人还是 smtp 协议的指定的收件人。不在正文里。