Optimizing nginx mail proxy

[Azusa Taroura]

Thank you for your reply!

I would like to authenticate each connection. 
If I use Postfix for mail proxy, it authenticates each e-mail not for each
connection.


alexsamad Wrote:
-------------------------------------------------------
> Silly question why not use postfix for this ?
> 
> 
> On 20 February 2018 at 18:56, Azusa Taroura
> <nginx-forum at forum.nginx.org>
> wrote:
> 
> > Hi everyone,
> >
> > I’m trying to optimize mail-proxy.
> > My performance test is 1 client sends many request to 1 nginx
> server.
> >
> >
> > This is my current settings:
> >
> > worker_processes auto;
> > worker_rlimit_nofile  100000;
> >
> > #error_log  /var/log/nginx/error.log debug;
> > #error_log  /var/log/nginx/error.log warn;
> > error_log /var/log/nginx/error.log crit;
> > events {
> >   worker_connections 1024;
> >   #worker_connections 4000;
> >   #multi_accept on;
> >   #use epoll;
> > }
> >
> > mail {
> >   auth_http localhost:80/auth/smtp;
> >   proxy_pass_error_message on;
> >   proxy on;
> >   smtp_auth login plain;
> >   xclient   on;
> >   server {
> >       listen    25;
> >       protocol  smtp;
> >   }
> >   server {
> >       listen    465;
> >       protocol  smtp;
> >       ssl       on;
> >       ssl_certificate      /etc/nginx/ssl/server.crt;
> >       ssl_certificate_key  /etc/nginx/ssl/server.key;
> >
> >       ssl_session_cache shared:SSL:20m;
> >       ssl_session_timeout 180m;
> >
> >       #ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
> >       #ssl_prefer_server_ciphers on;
> >       #ssl_ciphers
> > ECDH+AESGCM:ECDH+AES256:ECDH+AES128:DHE+AES128:!ADH:!AECDH:!MD5;
> >       #ssl_dhparam /etc/nginx/cert/dhparam.pem;
> >       #ssl_stapling on;
> >       #ssl_stapling_verify on;
> >       #ssl_trusted_certificate /etc/nginx/cert/trustchain.crt;
> >       #resolver 8.8.8.8 8.8.4.4;
> >   }
> > }
> >
> >
> > Question>>
> > Low cpu usage, but the performance result is not good.
> > Do yoy know how to take full advantage of nginx?
> >
> > Thank you for your time.
> > Azusa Taroura
> >
> > Posted at Nginx Forum: https://forum.nginx.org/read.
> > php?2,278656,278656#msg-278656
> >
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Posted at Nginx Forum: https://forum.nginx.org/read.php?2,278656,278694#msg-278694