srikanth1144 on "[Plugin: WP Mail SMTP] SMTP Connection Refused"

Hello,
I am trying from last 2 days. I didn't get any correct solution.

Settings:
From Email is entered
From Name is entered
Mailer : SMTP
Return Path : Not checked

SMTP Host : tried a2plcpnl0499.prod.iad2.secureserver.net , relay-hosting.secureserver.net, smtp.gmail.com
SMTP Port: 465, 25, 587
Encryption: tried no encryption, SSL, TSL
Authentication : Yes

I got below output

The SMTP debugging output is shown below:
2016-03-05 05:34:12 Connection: opening to ssl://a2plcpnl0499.prod.iad2.secureserver.net:465, timeout=300, options=array (
)
2016-03-05 05:34:13 SMTP ERROR: Failed to connect to server: Connection refused (111)
2016-03-05 05:34:13 SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting

https://wordpress.org/plugins/wp-mail-smtp/