CentOS mailx client
想通过Linux监控系统状况，并邮件自动报警，可以使用脚本处理，通过自带的mailx工具来发出警告 邮件安装mailx
root@pts/1 # yum -y install mailx
Loaded plugins: fastestmirror
Determining fastest mirrors
* base: mirrors.163.com
* extras: mirrors.yun-idc.com
* updates: mirrors.yun-idc.com
base | 3.7 kB 00:00
extras | 3.4 kB 00:00
updates | 3.4 kB 00:00
updates/primary_db | 4.0 MB 00:00
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package mailx.x86_64 0:12.4-8.el6_6 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
===============================================================================================================================================
Package Arch Version Repository Size
===============================================================================================================================================
Installing:
mailx x86_64 12.4-8.el6_6 base 235 k
Transaction Summary
===============================================================================================================================================
Install 1 Package(s)
Total download size: 235 k
Installed size: 452 k
Downloading Packages:
mailx-12.4-8.el6_6.x86_64.rpm | 235 kB 00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : mailx-12.4-8.el6_6.x86_64 1/1
Verifying: mailx-12.4-8.el6_6.x86_64 1/1
Installed:
mailx.x86_64 0:12.4-8.el6_6
Complete!
确认安装结果（版本必须是12.4以上，不然发邮件需要sendmail服务）
root@pts/1 # rpm -qa|grep mailx
mailx-12.4-8.el6_6.x86_64
root@pts/1 # mail -V
12.4 7/29/08
配置外部邮箱（发件人）
root@pts/0 # vim /etc/mail.rc
set from=test@139.com smtp=smtp.139.com
set smtp-auth-user=test@139.com smtp-auth-password=******
set smtp-auth=login
说明：
from: 对方收到邮件时显示的发件人
smtp: 指定第三方发送邮件的smtp服务器地址
smtp-auth: SMTP的认证方式。默认是LOGIN，也可改为CRAM-MD5或PLAIN方式
smtp-auth-user: 第三方发邮件的用户名
smtp-auth-password: 用户名对应密码
mail命令
root@pts/2 # mail --help
mail: illegal option -- -
Usage: mail -eiIUdEFntBDNHRV~ -T FILE -u USER -h hops -r address -s SUBJECT -a FILE -q FILE -f FILE -A ACCOUNT -b USERS -c USERS -S OPTION users
注：部分系统参数稍有差异，最好看帮助
1)无邮件正文
mail -s "主题"收件地址
mail -s "测试"1968089885@foxmail.com
2) 有邮件正文
mail -s "主题"收件地址< 文件(邮件正文.txt)
mail -s "邮件主题"1968089885@foxmail.com < /data/findyou.txt
echo "邮件正文" | mail -s 邮件主题收件地址
echo "邮件正文内容" | mail -s "邮件主题"1968089885@foxmail.com
cat 邮件正文.txt | mail -s 邮件主题收件地址
cat/data/findyou.txt | mail -s "邮件主题"1968089885@foxmail.com
3)带附件
mail -s "主题"收件地址-a 附件 < 文件(邮件正文.txt)
mail -s "邮件主题"1968089885@foxmail.com -a /data/findyou.tar.gz < /data/findyou.txt
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