1、编辑postfix服务的主配置文件
[root@kittod ~]# vim /etc/aliases
#在文件最后面添加以下配置
workgroup: zhangsan,lisi,wangwu
workgroup1: zhangsan,lisi
2、root用户群发邮件
[root@kittod ~]# mail [email protected]
Subject: adfad
adwafa
EOT
[root@kittod ~]# send-mail: warning: /etc/postfix/main.cf, line 135: overriding earlier entry: inet_interfaces=all
postdrop: warning: /etc/postfix/main.cf, line 135: overriding earlier entry: inet_interfaces=all
3、进入lisi用户查看邮件
[lisi@kittod root]$ su - lisi
Password:
Last login: Mon Nov 29 15:00:17 CST 2021 on pts/0
[lisi@kittod ~]$ mail
Heirloom Mail version 12.5 7/5/10. Type ? for help.
"/var/spool/mail/lisi": 6 messages 4 new 6 unread
U 1 root Sun Nov 21 16:26 19/539 "asd"
U 2 root Sun Nov 21 16:29 19/554 "qwe"
>N 3 root Mon Nov 29 14:54 18/549 "rtyrt"
N 4 root Mon Nov 29 14:56 18/553 "12324213"
N 5 root Mon Nov 29 14:58 18/552 "ibhuef"
N 6 root Mon Nov 29 15:00 18/552 "adfad"
& 6
Message 6:
From [email protected] Mon Nov 29 15:00:09 2021
Return-Path: <[email protected]>
X-Original-To: [email protected]
Delivered-To: [email protected]
Date: Mon, 29 Nov 2021 15:00:09 +0800
To: [email protected]
Subject: adfad
User-Agent: Heirloom mailx 12.5 7/5/10
Content-Type: text/plain; charset=us-ascii
From: root <[email protected]>
Status: R
adwafa
& Held 6 messages in /var/spool/mail/lisi
You have mail in /var/spool/mail/lisi
同时，在workgroup1组的所有用户都会受到该邮件