Linux sends email alerts to extranet via SendMail __linux

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itself because in the installation of the main hot standby high availability MySQL cluster environment, need to involve keepalived mail alarm, mail alarm and need to configure SendMail implementation. So feature this article to record this experience. (This content only involves sendmail part, the entire high available MySQL cluster configuration, the next time to write again.) ）

1.rpm-qa | grep MAILX

Center 7 is equipped with a 12.5 version of the MAILX, if there is no need to install again,

Rpm-qa | grep sendmail

Yum-y Install SendMail

2.vim/etc/mail.rc Add the following two lines

Set from=123456@139.com smtp=smtp.139.com


Set smtp-auth-user= your mailbox username smtp-auth-password= your email password smtp-auth=login

Restart SendMail

Service SendMail Restart

echo "Your email content" | Mail-s "Your email subject" Address, for example

echo "Yes, so Good" | Mail-s ' This is Test Mail ' 12345@qq.com

You can also view the contents of a file to send messages. Such as

Cat Hostip.txt | Mail-s ' This is Test Mail ' 12345@qq.com

So, we can write a few automated scripts, output the monitoring results to a txt, and then send the contents of the file to your mailbox

Using the form of a carry attachment, I tried, very slowly, and later found a good way to tell you.