-------------------------------- Fecha: 19/8/2026 6:34:15 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. [BN9P223CA0011.NAMP223.PROD.OUTLOOK.COM 2026-08-19T10:34:29.615Z 08DEFD93302401A1] 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: 19/8/2026 6:34:15 a. m. Mensaje: [FCM ERROR]: No existen tokens para el IdEmpleado: 75790 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: 19/8/2026 6:34:34 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. [BN9P223CA0022.NAMP223.PROD.OUTLOOK.COM 2026-08-19T10:34:48.766Z 08DEFAD5B92409C2] 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: 19/8/2026 6:34:35 a. 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: 8/19/2026 8:21:49 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. [BN0PR07CA0020.namprd07.prod.outlook.com 2026-08-19T12:22:03.053Z 08DEFDB17B0233FA] 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: 8/19/2026 8:21:49 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: 19/8/2026 8:43:52 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. [MN2PR08CA0008.namprd08.prod.outlook.com 2026-08-19T12:44:06.965Z 08DEFDAE1E3A4E94] 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: 19/8/2026 8:43:53 a. 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: 8/19/2026 9:48:04 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. [CH0P223CA0029.NAMP223.PROD.OUTLOOK.COM 2026-08-19T13:48:18.642Z 08DEFD111AD14F88] 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: 8/19/2026 11:38:49 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. [BN0PR04CA0192.namprd04.prod.outlook.com 2026-08-19T15:39:03.179Z 08DEFD276EBC582B] 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: 8/19/2026 11:38:49 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: 19/8/2026 4:27:38 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. [MN2PR20CA0048.namprd20.prod.outlook.com 2026-08-19T20:27:52.468Z 08DEFCF272FDC17A] 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: 19/8/2026 4:27:38 p. m. 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