ngxin做邮件代理

文章目录

关闭selinux，重启机器

[[email protected] tools]# cat /etc/selinux/config
.........
SELINUX=disabled
.........
[[email protected] tools]# init 6

下载必备的环境依赖

[[email protected] tools]#yum  install gcc make pcre-devel  zlib zlib-devel openssl openssl-devel pcre pcre-devel net-tools  telnet   -y

解压编辑，执行写好的shell脚本

[[email protected] tools]# tar -xvf nginx-1.18.0.tar.gz
[[email protected] tools]# ls
 nginx-1.18.0  nginx-1.18.0.tar.gz  nginx_proxy.sh
[[email protected] tools]# bash nginx_proxy.sh
#!/bin/bash
tar -xvf nginx-1.18.0.tar.gz
cd nginx-1.18.0
./configure  --prefix=/usr/local/nginx   --with-mail --with-stream
make && make install
cd /usr/local/nginx/
/usr/local/nginx/sbin/nginx -c conf/nginx.conf
/usr/local/nginx/sbin/nginx -s reload
sed -i  '15a stream {\n\tserver{ \n\t\tlisten  143;\n\t\tproxy_connect_timeout 5s;\n\t\tproxy_timeout 5s;\n\t\tproxy_pass  mail.cnhbstock.com:143;\n\t\t}\n\tserver{\n\t\tlisten  25;\n\t\tproxy_connect_timeout 5s;\n\t\tproxy_timeout 5s;\n\t\tproxy_pass  mail.cnhbstock.com:25;\n\t\t}\n}' /usr/local/nginx/conf/nginx.conf
/usr/local/nginx/sbin/nginx -s reload

复查配置文件

[[email protected] ~]# vim /usr/local/nginx/conf/nginx.conf
...
stream {
        server{
                listen  143;
                proxy_connect_timeout 5s;
                proxy_timeout 5s;
                proxy_pass  mail.xxxxx.com:143;
                }
        server{
                listen  25;
                proxy_connect_timeout 5s;
                proxy_timeout 5s;
                proxy_pass  mail.xxxx.com:25;
                }
}

...

查看143和25端口启动状态

[[email protected] ~]# netstat  -ntlp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:143             0.0.0.0:*               LISTEN      94631/nginx: master
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      94631/nginx: master
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      6683/sshd
tcp        0      0 0.0.0.0:25              0.0.0.0:*               LISTEN      94631/nginx: master
tcp6       0      0 :::9100                 :::*                    LISTEN      6684/node_exporter
tcp6       0      0 :::22                   :::*                    LISTEN      6683/sshd

kill掉原有的nginx

[[email protected] ~]# ps -ef|grep nginx |grep -v color|awk '{print $2}'|xargs  kill -9

配置nginx到systemctl管理

[[email protected] ~]# vim  /usr/lib/systemd/system/nginx.service
[Unit]
Description=nginx-The High-performance HTTP Server
After=network.target remote-fs.target nss-lookup.target

[Service]
Type=forking
ExecStartPre=/usr/local/nginx/sbin/nginx -t -c /usr/local/nginx/conf/nginx.conf
ExecStart=/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
ExecReload=/usr/local/nginx/sbin/nginx -s reload
ExecStop=/usr/local/nginx/sbin/nginx -s stop
ExecQuit=/usr/local/nginx/sbin/nginx -s quit
PrivateTmp=true

[Install]
WantedBy=multi-user.target

systemctl使用

[[email protected] ~]# systemctl  daemon-reload
[[email protected] ~]# systemctl restart nginx
[[email protected] ~]# systemctl start nginx
[[email protected] ~]# systemctl status nginx
[[email protected] ~]# systemctl status  nginx
● nginx.service - nginx-The High-performance HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; vendor preset: disabled)
   Active: active (running) since Wed 2020-12-16 08:17:38 CST; 37min ago
  Process: 94622 ExecStop=/usr/local/nginx/sbin/nginx -s stop (code=exited, status=0/SUCCESS)
  Process: 94629 ExecStart=/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf (code=exited, status=0/SUCCESS)
  Process: 94627 ExecStartPre=/usr/local/nginx/sbin/nginx -t -c /usr/local/nginx/conf/nginx.conf (code=exited, status=0/SUCCESS)
 Main PID: 94631 (nginx)
   CGroup: /system.slice/nginx.service
           ├─94631 nginx: master process /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/ngi...
           └─94632 nginx: worker process

Dec 16 08:17:38 localhost.localdomain systemd[1]: Stopped nginx-The High-performance HTTP Server.
Dec 16 08:17:38 localhost.localdomain systemd[1]: Starting nginx-The High-performance HTTP Server...
Dec 16 08:17:38 localhost.localdomain nginx[94627]: nginx: the configuration file /usr/local/ng...ok
Dec 16 08:17:38 localhost.localdomain nginx[94627]: nginx: configuration file /usr/local/nginx/...ul
Dec 16 08:17:38 localhost.localdomain systemd[1]: Started nginx-The High-performance HTTP Server.
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