[root@monitor ~]# tar jxvf msmtp-1.4.30.tar.bz2
[root@monitor ~]# cd msmtp-1.4.30cd msmtp-1.4.30
[root@monitor msmtp-1.4.30]# ./configure --prefix=/usr/local/msmtp
[root@monitor msmtp-1.4.30]# make
[root@monitor msmtp-1.4.30]# make install

[root@monitor ~]# mkdir /usr/local/msmtp/log
[root@monitor ~]# mkdir /usr/local/msmtp/etc

[root@monitor ~]# cd /usr/local/msmtp/etc
[root@monitor etc]# vi msmtprc
defaults
logfile /usr/local/msmtp/log/msmtp.log
account 263
host smtp.263.net
from [email protected]
auth login
user [email protected]
password abcd.1234
account default:263

[root@monitor ~]# yum install -y mutt

[root@monitor ~]# vi /etc/Muttrc
set sendmail="/usr/local/msmtp/bin/msmtp"
set from="[email protected]"
set realname="nagios"
set use_from=yes
set charset="utf-8"
set send_charset="us-ascii:gb2312:utf-8"
set locale="zh_CN"

[root@monitor ~]# echo "邮件内容" | mutt -s "邮件标题" [email protected]
[root@monitor ~]# cd /usr/local/msmtp/log
[root@monitor log]# cat msmtp.log 
Aug 09 15:57:34 host=smtp.263.net tls=off auth=on [email protected] [email protected] [email protected] mailsize=342 smtpstatus=250 smtpmsg='250 2.0.0 Ok: queued as 7B6D439F' 
exitcode=EX_OK

[root@monitor ~]# cd /etc/icinga/objects
[root@monitor objects]# vi commands.cfg 
define command{
       command_name    notify-host-by-email
       command_line    /usr/bin/printf "%b" "\nHost: $HOSTNAME$\n\nState: $HOSTSTATE$\n\nAddress: $HOSTADDRESS$\n\nInfo: $HOSTOUTPUT$\n"
 | mutt -s "Host Alert: $HOSTNAME$ is $HOSTSTATE$" $CONTACTEMAIL$
               }
define command{
        command_name    notify-service-by-email
        command_line    /usr/bin/printf "%b" "\nService: $SERVICEDESC$\n\nHost: $HOSTNAME$\n\nState: $SERVICESTATE$\n\nAddress: $HOSTADD
RESS$\n\nInfo: $SERVICEOUTPUT$\n"  | mutt -s "Service Alert: $HOSTNAME$/$SERVICEDESC$ is $SERVICESTATE$" $CONTACTEMAIL$
              }
              
[root@monitor objects]# vi contacts.cfg 
define contact{
        contact_name                    icingaadmin             ; Short name of user
        use                             generic-contact         ; Inherit default values from generic-contact template (defined above)
        alias                           Icinga Admin            ; Full name of user
        email                           [email protected]       ; <<***** CHANGE THIS TO YOUR EMAIL ADDRESS ******
        }