如何在ESA上验证使用S/MIME发送配置文件发送的邮件

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已更新: 2019 年 8 月 2 日
文档 ID:214694

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简介

本文档介绍使用有效的Secure/Multipurpose Internet Mail Extensions (S/MIME)发送配置文件发送邮件时，在思科邮件安全设备(ESA)上的邮件日志中验证的内容。  

如何在ESA上验证使用S/MIME发送配置文件发送的邮件

S/MIME是一种基于标准的方法来发送和接收经过验证的安全电子邮件。S/MIME使用公钥/私钥对加密或签名邮件。


· 如果邮件已加密，则只有邮件收件人可以打开已加密的邮件。
· 如果邮件经过签名，邮件收件人可以验证发件人的身份，并确保邮件在传输过程中未被更改。

通过在ESA上配置有效的S/MIME发送配置文件，可以使用以下四种模式之一发送邮件：

 · 签名
 · 加密
 · 签名/加密（先签名，再加密）
 · 三重（签名、加密，然后再次签名）

这些模式直接从GUI中进行配置，方法是选择CLI上的Mail Policies > (S/MIME) Sending Profiles或smimeconfig > SENDING。根据邮件或内容过滤器条件和操作，邮件日志中执行的操作应该类似-所有操作都按S/MIME重写执行。

签名

Mon Nov 24 21:53:24 2014 Info: Start MID 81 ICID 34
Mon Nov 24 21:53:24 2014 Info: MID 81 ICID 34 From: <userencrypted@abc.com>
Mon Nov 24 21:53:24 2014 Info: MID 81 ICID 34 RID 0 To: <recipient@xyz.com>
Mon Nov 24 21:53:24 2014 Info: MID 81 Message-ID '<5649F3D8-C782-4929-9E7E-A8F892D4D885@abc.com>'
Mon Nov 24 21:53:24 2014 Info: MID 81 Subject 'signing only'
Mon Nov 24 21:53:24 2014 Info: MID 81 ready 509 bytes from <userencrypted@abc.com>
Mon Nov 24 21:53:24 2014 Info: MID 81 matched all recipients for per-recipient policy cisco users in the outbound table
Mon Nov 24 21:53:24 2014 Info: MID 81 S/MIME: Sign successful by filter s_mime_outgoing in the outbound table
Mon Nov 24 21:53:24 2014 Info: MID 81 rewritten to MID 82 by S/MIME
Mon Nov 24 21:53:24 2014 Info: Start MID 82 ICID 0
Mon Nov 24 21:53:24 2014 Info: MID 82 ICID 0 From: <userencrypted@abc.com>
Mon Nov 24 21:53:24 2014 Info: MID 82 ICID 0 RID 0 To: <recipient@xyz.com>
Mon Nov 24 21:53:24 2014 Info: Message finished MID 81 done
Mon Nov 24 21:53:24 2014 Info: MID 82 queued for delivery
Mon Nov 24 21:53:24 2014 Info: New SMTP DCID 127 interface 172.172.254.60 address 192.173.93.161 port 25
Mon Nov 24 21:53:24 2014 Info: Delivery start DCID 127 MID 82 to RID [0]
Mon Nov 24 21:53:24 2014 Info: Message done DCID 127 MID 82 to RID [0] 
Mon Nov 24 21:53:24 2014 Info: MID 82 RID [0] Response '2.0.0 sAP2rXHk021241 Message accepted for delivery'
Mon Nov 24 21:53:24 2014 Info: Message finished MID 82 done
Mon Nov 24 21:53:29 2014 Info: DCID 127 close
Mon Nov 24 21:54:24 2014 Info: ICID 34 close

加密

Mon Nov 24 22:02:58 2014 Info: Start MID 91 ICID 36
Mon Nov 24 22:02:58 2014 Info: MID 91 ICID 36 From: <userencrypted@abc.com>
Mon Nov 24 22:02:58 2014 Info: MID 91 ICID 36 RID 0 To: <recipient@xyz.com>
Mon Nov 24 22:02:58 2014 Info: MID 91 Message-ID '<6064CFA9-95F6-4452-8F8F-1554B4B37428@abc.com>'
Mon Nov 24 22:02:58 2014 Info: MID 91 Subject 'encrypt only'
Mon Nov 24 22:02:58 2014 Info: MID 91 ready 531 bytes from <userencrypted@abc.com>
Mon Nov 24 22:02:58 2014 Info: MID 91 matched all recipients for per-recipient policy cisco users in the outbound table
Mon Nov 24 22:02:58 2014 Info: MID 91 S/MIME: Encrypt successful by filter s_mime_outgoing in the outbound table
Mon Nov 24 22:02:58 2014 Info: MID 91 rewritten to MID 92 by S/MIME
Mon Nov 24 22:02:58 2014 Info: Start MID 92 ICID 0
Mon Nov 24 22:02:58 2014 Info: MID 92 ICID 0 From: <userencrypted@abc.com>
Mon Nov 24 22:02:58 2014 Info: MID 92 ICID 0 RID 0 To: <recipient@xyz.com>
Mon Nov 24 22:02:58 2014 Info: Message finished MID 91 done
Mon Nov 24 22:02:58 2014 Info: MID 92 queued for delivery
Mon Nov 24 22:02:59 2014 Info: New SMTP DCID 132 interface 172.172.254.60 address 192.173.93.161 port 25
Mon Nov 24 22:02:59 2014 Info: Delivery start DCID 132 MID 92 to RID [0]
Mon Nov 24 22:02:59 2014 Info: Message done DCID 132 MID 92 to RID [0] 
Mon Nov 24 22:02:59 2014 Info: MID 92 RID [0] Response '2.0.0 sAP337xR017219 Message accepted for delivery'
Mon Nov 24 22:02:59 2014 Info: Message finished MID 92 done
Mon Nov 24 22:03:04 2014 Info: DCID 132 close

签名/加密

Mon Nov 24 21:39:26 2014 Info: Start MID 71 ICID 31
Mon Nov 24 21:39:26 2014 Info: MID 71 ICID 31 From: <userencrypted@abc.com>
Mon Nov 24 21:39:26 2014 Info: MID 71 ICID 31 RID 0 To: <recipient@xyz.com>
Mon Nov 24 21:39:26 2014 Info: MID 71 Message-ID '<CFCE466D-7E58-4AA9-8F8A-FD5BD7A3E753@abc.com>'
Mon Nov 24 21:39:26 2014 Info: MID 71 Subject 'sign and encrypt'
Mon Nov 24 21:39:26 2014 Info: MID 71 ready 498 bytes from <userencrypted@abc.com>
Mon Nov 24 21:39:26 2014 Info: MID 71 matched all recipients for per-recipient policy cisco users in the outbound table
Mon Nov 24 21:39:26 2014 Info: MID 71 S/MIME: Sign/Encrypt successful by filter s_mime_outgoing in the outbound table
Mon Nov 24 21:39:26 2014 Info: MID 71 rewritten to MID 72 by S/MIME
Mon Nov 24 21:39:26 2014 Info: Start MID 72 ICID 0
Mon Nov 24 21:39:26 2014 Info: MID 72 ICID 0 From: <userencrypted@abc.com>
Mon Nov 24 21:39:26 2014 Info: MID 72 ICID 0 RID 0 To: <recipient@xyz.com>
Mon Nov 24 21:39:26 2014 Info: Message finished MID 71 done
Mon Nov 24 21:39:26 2014 Info: MID 72 queued for delivery
Mon Nov 24 21:39:26 2014 Info: New SMTP DCID 122 interface 172.172.254.60 address 192.173.93.161 port 25
Mon Nov 24 21:39:26 2014 Info: Delivery start DCID 122 MID 72 to RID [0]
Mon Nov 24 21:39:26 2014 Info: Message done DCID 122 MID 72 to RID [0] 
Mon Nov 24 21:39:26 2014 Info: MID 72 RID [0] Response '2.0.0 sAP2dZOJ009639 Message accepted for delivery'
Mon Nov 24 21:39:26 2014 Info: Message finished MID 72 done
Mon Nov 24 21:39:32 2014 Info: DCID 122 close
Mon Nov 24 21:40:26 2014 Info: ICID 31 close

三重

Mon Nov 24 22:00:25 2014 Info: Start MID 89 ICID 35
Mon Nov 24 22:00:25 2014 Info: MID 89 ICID 35 From: <userencrypted@abc.com>
Mon Nov 24 22:00:25 2014 Info: MID 89 ICID 35 RID 0 To: <recipient@xyz.com>
Mon Nov 24 22:00:25 2014 Info: MID 89 Message-ID '<DEE18BFD-F988-43CC-930A-78D0A194FC15@abc.com>'
Mon Nov 24 22:00:25 2014 Info: MID 89 Subject 'triple sign encrypt sign'
Mon Nov 24 22:00:25 2014 Info: MID 89 ready 514 bytes from <userencrypted@abc.com>
Mon Nov 24 22:00:25 2014 Info: MID 89 matched all recipients for per-recipient policy cisco users in the outbound table
Mon Nov 24 22:00:25 2014 Info: MID 89 S/MIME: Triple successful by filter s_mime_outgoing in the outbound table
Mon Nov 24 22:00:25 2014 Info: MID 89 rewritten to MID 90 by S/MIME
Mon Nov 24 22:00:25 2014 Info: Start MID 90 ICID 0
Mon Nov 24 22:00:25 2014 Info: MID 90 ICID 0 From: <userencrypted@abc.com>
Mon Nov 24 22:00:25 2014 Info: MID 90 ICID 0 RID 0 To: <recipient@xyz.com>
Mon Nov 24 22:00:25 2014 Info: Message finished MID 89 done
Mon Nov 24 22:00:25 2014 Info: MID 90 queued for delivery
Mon Nov 24 22:00:25 2014 Info: New SMTP DCID 131 interface 172.172.254.60 address 192.173.93.161 port 25
Mon Nov 24 22:00:25 2014 Info: Delivery start DCID 131 MID 90 to RID [0]
Mon Nov 24 22:00:25 2014 Info: Message done DCID 131 MID 90 to RID [0] 
Mon Nov 24 22:00:25 2014 Info: MID 90 RID [0] Response '2.0.0 sAP30YsV031103 Message accepted for delivery'
Mon Nov 24 22:00:25 2014 Info: Message finished MID 90 done
Mon Nov 24 22:00:30 2014 Info: DCID 131 close

相关信息

修订历史记录

版本 发布日期 备注
1.0
01-Aug-2019
初始版本
TAC Authored

由思科工程师提供

  • 罗伯特·舍温
    思科技术营销工程师

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