nginx 负载 exchange 2016 问题

Question

两台exchange邮件服务器用nginx做负载均衡，只需要邮件的负载，按照网上的配置方法，outlook客户端收邮件正常，但OWA登录后又马上跳回到登录界面，不知道是什么原因，各位

```有用nginx做exchange邮件服务器代理或负载均衡吗？

nginx配置

#user  nobody;
worker_processes  2;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  logs/access.log  main;

    sendfile        on;
    tcp_nopush     on;
    tcp_nodelay    on;
    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        listen       8090;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
            root   html;
            index  index.html index.htm;
        }

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
        #    fastcgi_pass   127.0.0.1:9000;
        #    fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
        #    include        fastcgi_params;
        #}

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

}


#负载exchange2016前端的模块配置
stream {
  upstream mail_443 {
        least_conn;
        server 10.10.10.116:443 max_fails=3 fail_timeout=30s;
        server 10.10.10.117:443 max_fails=3 fail_timeout=30s;
 }

  upstream mail_80 {
        server 10.10.10.116:80 max_fails=3 fail_timeout=30s;
        server 10.10.10.117:80 max_fails=3 fail_timeout=30s;
 }

  upstream mail_110 {
        server 10.10.10.116:110 max_fails=3 fail_timeout=30s;
        server 10.10.10.117:110 max_fails=3 fail_timeout=30s;
 }
  upstream mail_587 {
        server 10.10.10.116:587 max_fails=3 fail_timeout=30s;
        server 10.10.10.117:587 max_fails=3 fail_timeout=30s;
 }
  upstream mail_995 {
        server 10.10.10.116:995 max_fails=3 fail_timeout=30s;
        server 10.10.10.117:995 max_fails=3 fail_timeout=30s;
 }
 
server {
        listen 443;
        proxy_pass mail_443;
        proxy_connect_timeout 5s;
        proxy_timeout 5s;
        preread_buffer_size 16k;
        preread_timeout 30s;
        proxy_protocol_timeout 30s;
        }  
        
server {
        listen 80;
        proxy_pass mail_80;
        proxy_connect_timeout 5s;
        proxy_timeout 5s;
        preread_buffer_size 16k;
        preread_timeout 30s;
        proxy_protocol_timeout 30s;
        }       
       
server {
        listen 110;
        proxy_connect_timeout 5s;
        proxy_timeout 5s;
        proxy_pass mail_110;
       }
       
server {
        listen 587;
        proxy_connect_timeout 5s;
        proxy_timeout 5s;
        proxy_pass mail_587;
       }
       
server {
        listen 995;
        proxy_connect_timeout 5s;
        proxy_timeout 5s;
        proxy_pass mail_995;
       }
}

Answer 1

exchange 2016 做过压力测试吗