Error Sending email - by: ripal

Below error while sending mail from ProjeQtOR

2017-01-29 11:42:44.308 ***** ERROR ***** ERROR *****
2017-01-29 11:42:44.320 ***** ERROR ***** on file 'G:\PleskVhosts\pm-logic.com\httpdocs\web\projeqtor\external\PHPMailer\class.smtp.php' at line (286)
2017-01-29 11:42:44.334 ***** ERROR ***** cause = stream_socket_client(): unable to connect to smtp.gmail.com:587 (An attempt was made to access a socket in a way forbidden by its access permissions.
)
2017-01-29 11:42:44.347 ***** ERROR ***** Error sending mail
2017-01-29 11:42:44.360 ***** ERROR ***** SMTP Server : tls://smtp.gmail.com
2017-01-29 11:42:44.834 ***** ERROR ***** SMTP Port : 587
2017-01-29 11:42:44.848 ***** ERROR ***** Mail stored in Database : #29
2017-01-29 11:42:44.860 ***** ERROR ***** PHPMail error : SMTP connect() failed. github.com/PHPMailer/PHPMailer/wiki/Troubleshooting
2017-01-29 11:42:44.872 ***** ERROR ***** PHPMail debug : 2017-01-29 10:42:44 SMTP ERROR: Failed to connect to server: An attempt was made to access a socket in a way forbidden by its access permissions.
(10013)
2017-01-29 10:42:44 SMTP connect() failed. github.com/PHPMailer/PHPMailer/wiki/Troubleshooting

Regards
Ripal Shah