在Linux系统下面架设Sendmail服务器

ailuser -s /sbin/nologin mike

[root@localhost named]# adduser -g mailuser -s /sbin/nologin john

[root@localhost named]# passwd mike

[root@localhost named]# passwd john 密码都是123

设置邮件别名和邮件群发

修改/etc/aliases文件实现邮件转发和邮件列表：

admin: mike 为邮件用户mike设置别名admin

testgroup: mike,john 实现群发发给testgroup的邮件发给mike 和 john 以上2个可以分别测试

#newaliases

5，访问控制设置

更改/etc/mail/accesss文件，增加：

[root@localhost named]# cat /etc/mail/access

# Check the /usr/share/doc/sendmail/README.cf file for a description

# of the format of this file. (search for access_db in that file)

# The /usr/share/doc/sendmail/README.cf is part of the sendmail-doc

# package.

# by default we allow relaying from localhost...

localhost.localdomain RELAY

localhost RELAY

127.0.0.1 RELAY

ltest.com RELAY

完成后makemap hash /etc/mail/access.db < /etc/mail/access进行数据库更新。

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6，#service sendmail restart

[root@localhost named]# service sendmail restart 启动服务

Shutting down sendmail: [FAILED]

Starting sendmail: [ OK ]

Starting sm-client: [ OK ]

[root@localhost named]# telnet localhost 25

Trying 127.0.0.1...

Connected to localhost.localdomain (127.0.0.1).

Escape character is '^]'.

220 localhost.localdomain ESMTP Sendmail 8.13.1/8.13.1; Sat, 17 Mar 2007 12:54:47 +0800

ehlo localhost