SQL SERVER REPORTING SERVICES - EMAIL SUBSCRIPTION

I am trying to create email subscriptions in SQL Reporting Services and I am getting the error message listed below:

"Failure sending mail"

emailextension!WindowsService_63!1974!04/20/2015-10:00:11:: e ERROR: Error sending email. Exception: System.Net.Mail.SmtpException: Failure sending mail. ---> System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it 161.162.163.164:25
at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Int32 timeout, Exception& exception)
--- End of inner exception stack trace ---

If anyone has a fix/solution for this error message, I would greatly appreciated.

Thank You In Advance


Winfred Majors