-------------------------------- Fecha: 8/20/2026 6:46:53 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. [MN0PR05CA0010.namprd05.prod.outlook.com 2026-08-20T10:47:07.221Z 08DEFE56F7C09E07] 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: 8/20/2026 6:46:54 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: 8/20/2026 8:07:50 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. [BN9PR03CA0160.namprd03.prod.outlook.com 2026-08-20T12:08:04.099Z 08DEFCC7ACBCD0B5] 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: 8/20/2026 8:07:50 AM Mensaje: [FCM ERROR]: No existen tokens para el IdEmpleado: 16246 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: 20/8/2026 9:42:33 a. 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. [BL1PR13CA0298.namprd13.prod.outlook.com 2026-08-20T13:42:47.284Z 08DEFEBCF501FE6C] 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: 20/8/2026 9:42:33 a. m. Mensaje: [FCM ERROR]: No existen tokens para el IdEmpleado: 132710 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: 8/20/2026 11:15:30 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. [BN9PR03CA0291.namprd03.prod.outlook.com 2026-08-20T15:15:44.222Z 08DEFE7824D01FA4] 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: 8/20/2026 11:15:30 AM Mensaje: [FCM ERROR]: No existen tokens para el IdEmpleado: 417029 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: 8/20/2026 3:40:09 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. [BN0PR04CA0020.namprd04.prod.outlook.com 2026-08-20T19:40:23.175Z 08DEFEC158529FE7] 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: 8/20/2026 3:40:10 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: 20/8/2026 4:54:23 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. [BN9PR03CA0563.namprd03.prod.outlook.com 2026-08-20T20:54:37.836Z 08DEFD16F712A1F8] 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: 20/8/2026 4:54:24 p. m. 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: 20/8/2026 4:54:57 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. [BN9PR03CA0555.namprd03.prod.outlook.com 2026-08-20T20:55:11.708Z 08DEFDC2B88909F2] 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: 20/8/2026 4:54:57 p. m. 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: 8/20/2026 4:59:56 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. [BN0PR03CA0006.namprd03.prod.outlook.com 2026-08-20T21:00:10.304Z 08DEFEA49E74942D] 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: 8/20/2026 4:59:56 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