mkdir -p /usr/local/msmtp/etc
vi /root/.msmtprc //注意文件名前面有個“點"
host smtp.163.com //smtp地址
tls off
auth plain
from meiti_jiankong@163.com //從哪個郵件發出來
user meiti_jiankong //用戶名
password a#^*225*mgYjm21 //郵箱密碼
vi /root/.muttrc
set sendmail="/usr/local/msmtp/bin/msmtp" //msmtp的安裝位置。根據自己的情況改
set use_from=yes
set from=meiti_jiankong@163.com //用戶名
set envelope_from=yes
vi /usr/local/msmtp/etc/msmtprc
defaults
account meiti_jiankong //用戶名
host smtp.163.com // smtp -IP
from meiti_jiankong@163.com //用戶名
auth login
port 25
tls off
user meiti_jiankong@163.com //用戶名
password a#^*225*mgYjm21 //密碼
account default : meiti_jiankong
logfile /usr/local/msmtp/log/msmtp.log //用戶名
以上3個文件就這樣保存，請確保用戶名、密碼、stmp的正確性。再來：
mkdir -p /usr/local/msmtp/log
echo 'set sendmail="/usr/local/msmtp/bin/msmtp"' >>/etc/Muttrc
echo "set use_from=yes" >>/etc/Muttrc
echo 'set realname="meiti_jiankong@163.com"' >>/etc/Muttrc //這里改成自己的郵箱
echo 'set editor="vim"' >>/etc/Muttrc
安裝軟件包msmtp
tar jxvf msmtp-1.4.21.tar.bz2
cd msmtp-1.4.21
./configure --prefix=/usr/local/msmtp
make
sleep 3
make install
sleep 3
cd ..
tar zxvf mutt-1.5.21.tar.gz
cd mutt-1.5.21
./configure --prefix=/usr/local/mutt
make
sleep 3
make install
sleep 3
cd ..
ln -s /usr/local/msmtp/bin/msmtp /usr/bin