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user nginx nginx;
worker_processes 1;
error_log /var/log/nginx/error_log info;
events {
worker_connections 1024;
use epoll;
}
root@www5009u:~# telnet alt1.gmail-smtp-in.l.google.com 25
Trying 74.125.45.27...
Connected to alt1.gmail-smtp-in.l.google.com.
Escape character is '^]'.
220 mx.google.com ESMTP i3si99031yhk.16
HELO
250 mx.google.com at your service
MAIL FROM:<root@localhost>
250 2.1.0 OK i3si99031yhk.16
RCPT TO:<s.aska.org@gmail.com>