Configuring mail

Can anybody help me, how to configure SMTP? What Cpanel parameters I should use?
http://image.prntscr.com/image/eb484fce66614db8905f736ab623cf0a.png

Smtp
Eushared01....
465
Ssl
Your email address
Your email password
Whatever

0E800 So I do, but "Oops, Something went wrong. Please refresh the page and try again."

Turn on debug mode.

Check your nginx log.

Make sure your site has port's 465 open.