webmail 502 bad gateway

[dvagane]

Hello,

I have problem with my webmail after changed server's ip address.
http://x.x.x.x/webmail/ - says 502 Bad Gateway

here are nginx/error.log:
3669#0: *16 connect() failed (110: Connection timed out) while connecting to upstream, client: x.x.x.x, server: _, request: "GET /webmail/ HTTP/1.1", upstream: "http://x.x.x.x:8080/webmail/", host: "x.x.x.x".

Centos 6.6,

Many thanks for your time,

[skurudo]

If you restart nginx/httpd in console, any errors?
Look at /etc/nginx/conf.d/your-old-ip.conf / /etc/httpd/conf.d/your-old-ip.conf