解读电子邮件原始消息头：揭秘邮件发送路径与安全验证

您是否好奇电子邮件是如何从发送方到达接收方的？这封邮件的原始消息头将为您揭示邮件背后的旅程。

from xvfrpzsf.outbound-mail.sendgrid.net (xvfrpzsf.outbound-mail.sendgrid.net [168.245.62.111]) by newxmmxszb5-6.qq.com (NewMX) with SMTP id C7AD849 for 23395740@qq.com; Sat, 14 Oct 2023 14:03:07 +0800X-QQ-mid: xmmxszb5-6t1697263387tc04xhuihSender: bounces+37976984-6879-23395740=qq.com@sendgrid.netX-QQ-CSender: bounces+37976984-6879-23395740=qq.com@sendgrid.netX-QQ-XMAILINFO: NSwlqCTIUPSY8+WTDIjRkH+UcTrdK35xBF2iFn3J3loRbY4dHQ5AMrJB7XohUU VAtCERajCds60vEPa/S3hC1A5M4SqzUyoXoJ4ZIuEMyEPbEB5y4iGop3GgnSEvofajHeAWgdn3jo PtoQHaEYarp9O8FMMtTi8DsDB/ubZahY0ZnCQCTPw9eBpIcZBbSWRTbJlBdrmsQSdhRmcX8pLwQN f762pL1dH4Sv11fVe8/5vKDxxWltIPkKj8v+dfH2XYk+BodopLi362rn8HRZwGxggT+onaU19owY tz1PldMKLCXKn6E9QZOywzRUM1PgHegBEKS2j3HAxUawXqAw0zLQX6QUfFT7vuLo99mstomHHe8q kEi9Ql6u22yu4cy8YreN2wQN/ubkVCOkOHmEcc0xns4wwRW+d7fUWAtwJqPjeFwyrKJ6D+l+WEZb 0c+L7W0YJmjN9AW9kK/vkMFqt6DenaVuX3u0PETR4yJlreq2VuPsHgC3fNk5xEMwdiO3toN4SmEh XlMPAXEZzzLLEKeCau5GUJRZxnIqNcKQEqZPuTLckLiGcn+9cIZ0iIfaNqw92YazgTA9u98k4R+7 vzKuiL+Fulg3zHBsSxmeHiGARSErhfIQ3l1cuDh4MWVO8eOHskcF8KN0mPTY1HOF8RLs2Zabyv4G UbGUhyUZya9eRN1yTMnwMs97cB+Pc75S/c154ZkcNq7wqPyOQ5c7mlFf7OAgtHw7BzpiYqnoz9bM smQCBgxxBy2flZzv285P8aw87Dhg9KMaeLZOma5leYTiFVM57ZffoEiSIt/zA7wK94ctcll8mRWd RcLpXAiWv4DURG9OfmaePPZzErC1MawnSWXcGiLxFeqIprod8+8N5RP5ZORvCpSI3igFaLSqbQrL fhh/INS17HQpuy73wxEDeqFxUbFBIpiYa1nEcSmkTlvpgle2OhqpawJChty4X/OgoA506RIhfccV kMgw4DQ2oemjtJeZrQLkch55Yyxw7Tew/F1Zw8OlE/lbh7RIKW8JWLSmxE11zbAg8smRHt2PItsw KOwggmH4kT5iHnw02ruzPaoxMAtUUO1S7sQOBSX937grN+KpgCt9eAurDx0lrasrbzCEMHjl4wy/ mi9VRDgX+uYsWkdtsj+PLz3tXbExP/YeneieYcCufdZue9aXOO3bPzEoxAb8Ka7M/j5Daa/F3DbN e39t/PrPmcoXpvtK/MCnqmr+ENlP/I5R4Gdiny2Ll/ODZCjQgVhU4sjgO9356uCN4M8spw1Fqm7h DXKKX3bvWXAVR2uZCwXT5Jx03GTMJ+m9ld9cyEr6RPGO2z6x+AsnHcjIU+StjS3UTbPzJixLF8mo 9cUA3z+9hShi7gVFJuw+z9s5hKZTJbcqVZX-QQ-XMRINFO: NI4Ajvh11aEj8Xl/2s1/T8w=DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sendgrid.net; h=from:subject:content-type:mime-version:to:cc:content-type:from: subject:to; s=smtpapi; bh=GaxVqD2HtzYpEov1BhwjCkMxLf8X0RJCAErfOpHsyVk=; b=D0WbBx6lecUeUDLxjbBPgn5XIvEJCTzQ8iA6yNDw9tq9lDlBNI+wEGE6pJkOd6MwSTpA Ob4T7D72WaX89IbDGaawEPgUNiP39di1NaDuNaiXQA6bHuEaV2cqazWVWEzbhufyL0JH1p z6GupojMgOacmnFlOo6eyQE6+hzREXw74=

关键字段解读：

from xvfrpzsf.outbound-mail.sendgrid.net (xvfrpzsf.outbound-mail.sendgrid.net [168.245.62.111]): 揭示邮件始发站，域名 xvfrpzsf.outbound-mail.sendgrid.net 属于邮件服务商 SendGrid，IP 地址为 168.245.62.111。- by newxmmxszb5-6.qq.com (NewMX) with SMTP id C7AD849: 邮件抵达腾讯QQ邮箱服务器 newxmmxszb5-6.qq.com，并获得唯一标识 C7AD849。- X-QQ-mid: xmmxszb5-6t1697263387tc04xhuih: 腾讯QQ邮箱系统分配的邮件唯一标识符。- Sender: 显示发件人地址。- X-QQ-CSender: 腾讯QQ邮箱用于追踪邮件来源的标识符。- DKIM-Signature: 邮件安全利器，通过加密技术验证邮件发送者身份，防止伪造。

通过分析邮件原始消息头，我们可以：

追踪邮件的发送路径，了解其经过的服务器。2. 验证邮件发送者的身份，识别潜在的欺诈邮件。3. 了解邮件服务器的配置信息，例如使用的协议和软件版本。

下次收到邮件时，不妨查看一下原始消息头，或许会有新的发现