-------------------------------- Fecha: 8/24/2026 9:02:02 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. [BN9PR03CA0472.namprd03.prod.outlook.com 2026-08-24T13:02:17.258Z 08DF00C64EE75FDA] 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: 8/24/2026 9:02:03 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: 24/8/2026 10:43:54 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. [CH2PR15CA0017.namprd15.prod.outlook.com 2026-08-24T14:44:08.424Z 08DF00BD84712D9F] 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: 24/8/2026 10:43:54 a. m. Mensaje: [FCM ERROR]: No existen tokens para el IdEmpleado: 116649 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