-------------------------------- Fecha: 8/17/2026 9:14:05 AM Mensaje: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 Client not authenticated to send mail. Error: 535 5.7.139 Authentication unsuccessful, the user credentials were incorrect. [BN1PR13CA0020.namprd13.prod.outlook.com 2026-08-17T13:14:19.526Z 08DEFB44AF7ED1AC] Metodo: CheckResponse Pila: at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, MailAddress from, Boolean allowUnicode) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at SPNMobile.Utility.email.EmailSMPT.SendEmail(SMTPComposition composition) in C:\Users\dewin\projects\spn-server\SPNMobile.Utility\Email\SMTP\EmailSMPT.cs:line 44 -------------------------------- Fecha: 8/17/2026 9:14:06 AM Mensaje: [FCM ERROR]: No existen tokens para el IdEmpleado: 416334 Metodo: MoveNext Pila: at SPNMobile.Repository.use_case.Notification.FCM.FcmHelper.d__2.MoveNext() in C:\Users\dewin\projects\spn-server\SPNMobile.Repository\use_case\Notification\FCM\FcmHelper.cs:line 51 -------------------------------- Fecha: 8/17/2026 10:07:22 AM Mensaje: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 Client not authenticated to send mail. Error: 535 5.7.139 Authentication unsuccessful, the user credentials were incorrect. [BN9PR03CA0107.namprd03.prod.outlook.com 2026-08-17T14:07:36.365Z 08DEFB0523C4E125] Metodo: CheckResponse Pila: at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, MailAddress from, Boolean allowUnicode) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at SPNMobile.Utility.email.EmailSMPT.SendEmail(SMTPComposition composition) in C:\Users\dewin\projects\spn-server\SPNMobile.Utility\Email\SMTP\EmailSMPT.cs:line 44 -------------------------------- Fecha: 8/17/2026 10:07:23 AM Mensaje: [FCM ERROR]: An error occurred while sending the request. System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a send. ---> System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. ---> System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host at System.Net.Sockets.Socket.EndReceive(IAsyncResult asyncResult) at System.Net.Sockets.NetworkStream.EndRead(IAsyncResult asyncResult) --- End of inner exception stack trace --- at System.Net.TlsStream.EndWrite(IAsyncResult asyncResult) at System.Net.ConnectStream.WriteHeadersCallback(IAsyncResult ar) --- End of inner exception stack trace --- at System.Net.HttpWebRequest.EndGetRequestStream(IAsyncResult asyncResult, TransportContext& context) at System.Net.Http.HttpClientHandler.GetRequestStreamCallback(IAsyncResult ar) Metodo: Throw Pila: at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at SPNMobile.Repository.use_case.Notification.FCM.FcmHelper.d__2.MoveNext() in C:\Users\dewin\projects\spn-server\SPNMobile.Repository\use_case\Notification\FCM\FcmHelper.cs:line 43 -------------------------------- Fecha: 8/17/2026 11:28:30 AM Mensaje: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 Client not authenticated to send mail. Error: 535 5.7.139 Authentication unsuccessful, the user credentials were incorrect. [BL1PR13CA0238.namprd13.prod.outlook.com 2026-08-17T15:28:43.982Z 08DEFB68AE3EFAF9] Metodo: CheckResponse Pila: at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, MailAddress from, Boolean allowUnicode) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at SPNMobile.Utility.email.EmailSMPT.SendEmail(SMTPComposition composition) in C:\Users\dewin\projects\spn-server\SPNMobile.Utility\Email\SMTP\EmailSMPT.cs:line 44 -------------------------------- Fecha: 8/17/2026 11:28:30 AM Mensaje: [FCM ERROR]: An error occurred while sending the request. System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a send. ---> System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. ---> System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host at System.Net.Sockets.Socket.EndReceive(IAsyncResult asyncResult) at System.Net.Sockets.NetworkStream.EndRead(IAsyncResult asyncResult) --- End of inner exception stack trace --- at System.Net.TlsStream.EndWrite(IAsyncResult asyncResult) at System.Net.ConnectStream.WriteHeadersCallback(IAsyncResult ar) --- End of inner exception stack trace --- at System.Net.HttpWebRequest.EndGetRequestStream(IAsyncResult asyncResult, TransportContext& context) at System.Net.Http.HttpClientHandler.GetRequestStreamCallback(IAsyncResult ar) Metodo: Throw Pila: at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at SPNMobile.Repository.use_case.Notification.FCM.FcmHelper.d__2.MoveNext() in C:\Users\dewin\projects\spn-server\SPNMobile.Repository\use_case\Notification\FCM\FcmHelper.cs:line 43 -------------------------------- Fecha: 8/17/2026 11:34:23 AM Mensaje: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 Client not authenticated to send mail. Error: 535 5.7.139 Authentication unsuccessful, the user credentials were incorrect. [BLAPR03CA0031.namprd03.prod.outlook.com 2026-08-17T15:34:37.913Z 08DEFB4E56E3734D] Metodo: CheckResponse Pila: at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, MailAddress from, Boolean allowUnicode) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at SPNMobile.Utility.email.EmailSMPT.SendEmail(SMTPComposition composition) in C:\Users\dewin\projects\spn-server\SPNMobile.Utility\Email\SMTP\EmailSMPT.cs:line 44 -------------------------------- Fecha: 8/17/2026 11:34:23 AM Mensaje: [FCM ERROR]: No existen tokens para el IdEmpleado: 111743 Metodo: MoveNext Pila: at SPNMobile.Repository.use_case.Notification.FCM.FcmHelper.d__2.MoveNext() in C:\Users\dewin\projects\spn-server\SPNMobile.Repository\use_case\Notification\FCM\FcmHelper.cs:line 51 -------------------------------- Fecha: 17/8/2026 3:47:49 p. m. Mensaje: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 Client not authenticated to send mail. Error: 535 5.7.139 Authentication unsuccessful, the user credentials were incorrect. [MN2PR11CA0023.namprd11.prod.outlook.com 2026-08-17T19:48:03.715Z 08DEFA9F9B4E19E2] Metodo: CheckResponse Pila: at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, MailAddress from, Boolean allowUnicode) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at SPNMobile.Utility.email.EmailSMPT.SendEmail(SMTPComposition composition) in C:\Users\dewin\projects\spn-server\SPNMobile.Utility\Email\SMTP\EmailSMPT.cs:line 44 -------------------------------- Fecha: 17/8/2026 3:47:49 p. m. Mensaje: [FCM ERROR]: No existen tokens para el IdEmpleado: 111743 Metodo: MoveNext Pila: at SPNMobile.Repository.use_case.Notification.FCM.FcmHelper.d__2.MoveNext() in C:\Users\dewin\projects\spn-server\SPNMobile.Repository\use_case\Notification\FCM\FcmHelper.cs:line 51 -------------------------------- Fecha: 8/17/2026 4:12:05 PM Mensaje: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 Client not authenticated to send mail. Error: 535 5.7.139 Authentication unsuccessful, the user credentials were incorrect. [BN9PR03CA0519.namprd03.prod.outlook.com 2026-08-17T20:12:18.977Z 08DEFB6413E2F3E2] Metodo: CheckResponse Pila: at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, MailAddress from, Boolean allowUnicode) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at SPNMobile.Utility.email.EmailSMPT.SendEmail(SMTPComposition composition) in C:\Users\dewin\projects\spn-server\SPNMobile.Utility\Email\SMTP\EmailSMPT.cs:line 44 -------------------------------- Fecha: 8/17/2026 4:12:05 PM Mensaje: [FCM ERROR]: An error occurred while sending the request. System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a send. ---> System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. ---> System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host at System.Net.Sockets.Socket.EndReceive(IAsyncResult asyncResult) at System.Net.Sockets.NetworkStream.EndRead(IAsyncResult asyncResult) --- End of inner exception stack trace --- at System.Net.TlsStream.EndWrite(IAsyncResult asyncResult) at System.Net.ConnectStream.WriteHeadersCallback(IAsyncResult ar) --- End of inner exception stack trace --- at System.Net.HttpWebRequest.EndGetRequestStream(IAsyncResult asyncResult, TransportContext& context) at System.Net.Http.HttpClientHandler.GetRequestStreamCallback(IAsyncResult ar) Metodo: Throw Pila: at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at SPNMobile.Repository.use_case.Notification.FCM.FcmHelper.d__2.MoveNext() in C:\Users\dewin\projects\spn-server\SPNMobile.Repository\use_case\Notification\FCM\FcmHelper.cs:line 43 -------------------------------- Fecha: 8/17/2026 4:22:31 PM Mensaje: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 Client not authenticated to send mail. Error: 535 5.7.139 Authentication unsuccessful, the user credentials were incorrect. [IA1P220CA0003.NAMP220.PROD.OUTLOOK.COM 2026-08-17T20:22:45.480Z 08DEFC92AA2220B4] Metodo: CheckResponse Pila: at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, MailAddress from, Boolean allowUnicode) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, Boolean allowUnicode, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at SPNMobile.Utility.email.EmailSMPT.SendEmail(SMTPComposition composition) in C:\Users\dewin\projects\spn-server\SPNMobile.Utility\Email\SMTP\EmailSMPT.cs:line 44 -------------------------------- Fecha: 8/17/2026 4:22:31 PM Mensaje: [FCM ERROR]: An error occurred while sending the request. System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a send. ---> System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. ---> System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host at System.Net.Sockets.Socket.EndReceive(IAsyncResult asyncResult) at System.Net.Sockets.NetworkStream.EndRead(IAsyncResult asyncResult) --- End of inner exception stack trace --- at System.Net.TlsStream.EndWrite(IAsyncResult asyncResult) at System.Net.ConnectStream.WriteHeadersCallback(IAsyncResult ar) --- End of inner exception stack trace --- at System.Net.HttpWebRequest.EndGetRequestStream(IAsyncResult asyncResult, TransportContext& context) at System.Net.Http.HttpClientHandler.GetRequestStreamCallback(IAsyncResult ar) Metodo: Throw Pila: at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at SPNMobile.Repository.use_case.Notification.FCM.FcmHelper.d__2.MoveNext() in C:\Users\dewin\projects\spn-server\SPNMobile.Repository\use_case\Notification\FCM\FcmHelper.cs:line 43