Luego de mandar a autorizar las Horas Extras, no notifica al usuario autorizador, ya reinicié el IIS el AppJob, lo extraño es que anteriormente si notificaba al usuario, el error que muestra en el appJob es el siguiente:
2015-01-26 17:31:33,777 [AppJobWinServiceScheduler_Worker-1] ERROR EmailNotificatorService - Falló la notificación a Servio Tulio Calderón Julian <stcalderon@ufm.edu>: Notificación de autorización
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 127.0. 0.1:25
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 ---
at System.Net.ServicePoint.GetConnection(PooledStream PooledStream, Object owner, Boolean async, IPAddress& address, Socket& abortSocket, Socket& abortSocket6, Int32 timeout)
at System.Net.PooledStream.Activate(Object owningObject, Boolean async, Int32 timeout, GeneralAsyncDelegate asyncCallback)
at System.Net.PooledStream.Activate(Object owningObject, GeneralAsyncDelegate asyncCallback)
at System.Net.ConnectionPool.GetConnection(Object owningObject, GeneralAsyncDelegate asyncCallback, Int32 creationTimeout)
at System.Net.Mail.SmtpConnection.GetConnection(ServicePoint servicePoint)
at System.Net.Mail.SmtpClient.Send(MailMessage message)
--- End of inner exception stack trace ---
at System.Net.Mail.SmtpClient.Send(MailMessage message)
at Aseinfo.VH4.WindowsServices.ApplicationJobs.EmailNotificatorService.Notify(String recipientAddress, String recipientFullName, String messageTitle, String messageBody, Stream[] attachments) in c:\VH4\VH4\WindowsServices\ApplicationJobsWindowsService\ApplicationJobs\EmailNotificatorService.cs:line 53
2015-01-26 17:31:35,322 [AppJobWinServiceScheduler_Worker-1] ERROR EmailNotificatorService - Falló la notificación a 35 X < lmbg@ufm.edu>: Notificación de autorización
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 127.0. 0.1:25
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 ---
at System.Net.ServicePoint.GetConnection(PooledStream PooledStream, Object owner, Boolean async, IPAddress& address, Socket& abortSocket, Socket& abortSocket6, Int32 timeout)
at System.Net.PooledStream.Activate(Object owningObject, Boolean async, Int32 timeout, GeneralAsyncDelegate asyncCallback)
at System.Net.PooledStream.Activate(Object owningObject, GeneralAsyncDelegate asyncCallback)
at System.Net.ConnectionPool.GetConnection(Object owningObject, GeneralAsyncDelegate asyncCallback, Int32 creationTimeout)
at System.Net.Mail.SmtpConnection.GetConnection(ServicePoint servicePoint)
at System.Net.Mail.SmtpClient.Send(MailMessage message)
--- End of inner exception stack trace ---
at System.Net.Mail.SmtpClient.Send(MailMessage message)
at Aseinfo.VH4.WindowsServices.ApplicationJobs.EmailNotificatorService.Notify(String recipientAddress, String recipientFullName, String messageTitle, String messageBody, Stream[] attachments) in c:\VH4\VH4\WindowsServices\ApplicationJobsWindowsService\ApplicationJobs\EmailNotificatorService.cs:line 53
La versión de Evolution es la 1.8.3.2, Gracias por la ayuda.