sendmail mail deployment settings

Introduction: When using some shell scripts need to be monitored by sending a reminder alert email below to implement a simple message sent by deploying a simple sendmail.

1, install mailx and sendmail:

yum install mailx -y

yum install sendmail -y

 Start: systemctl start sendmail

2, modify the configuration file: vim /etc/mail.rc

= @ ***** from the SET 163 .com #-mail account you want to send     
the SET the SMTP = the SMTP. 163 .com #-mail server sent 
the SET the SMTP -auth the User-***** = @ 163 .com #-mail account 
the SMTP the SET -auth-password = Linux ***          # authorization code 
the SET the SMTP -auth = the Login    

3, the transmission method

echo  ' content ' | mail -s ' theme ' ***** @ 163 .com

-s mail   ' theme ' ***** @ 126 .com <test.txt test.txt # content in the

4, Log Viewer (unable to go, then look at the log)

tail  /var/log/maillog

5, error resolved

　　1) My unqualified host name (bogon) unknown appears in the log; sleeping for retry # can not resolve domain name

　　　　Solution: Find Dj $ w vi /etc/mail/sendmail.cf in the configuration file, and add this line below this line 

　　　　　　　　Dj$w.

　　　　　　　In the / etc / hosts add the line

　　　　　　　　Local ip bogon bogon. Note that there is a rearmost point

Restart Service

6, the above configuration file obtaining authorization code (Example 163)