2026-03-19 06:44:51,174 [34] ERROR ApiLog - 邮件发送异常cdo！接收地址Volodymyr
 ApiLognameSystem.FormatException: The specified string is not in the form required for an e-mail address.
   at System.Net.Mail.MailAddressParser.ReadCfwsAndThrowIfIncomplete(String data, Int32 index)
   at System.Net.Mail.MailAddressParser.ParseDomain(String data, Int32& index)
   at System.Net.Mail.MailAddressParser.ParseAddress(String data, Boolean expectMultipleAddresses, Int32& index)
   at System.Net.Mail.MailAddressParser.ParseMultipleAddresses(String data)
   at System.Net.Mail.MailAddressCollection.ParseValue(String addresses)
   at MVCThinkrace.Common.MailUtility.SendMail(String Subject, String message, String mailAddress, Boolean isBodyHtml, EmailServerInfo info)
2026-03-19 10:35:24,685 [79] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061448387 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 10:35:24,851 [79] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061706628 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 10:40:25,543 [135] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106799&sn=860132061697942 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 11:19:30,820 [140] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061694311 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 15:00:02,676 [84] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106798&sn=860132061697298 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 15:00:02,828 [84] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106798&sn=860132061694246 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 15:00:02,958 [84] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106798&sn=860132061697587 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 15:33:07,593 [87] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106715&sn=860132061702841 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 15:33:07,756 [87] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106715&sn=860132062030424 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 15:33:07,882 [87] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106715&sn=860132062030515 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 15:33:08,032 [87] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106715&sn=860132062032818 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 16:28:39,384 [91] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061448387 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 16:28:39,520 [91] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061694311 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 16:28:39,654 [91] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061706628 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 16:28:53,387 [81] ERROR ApiLog - url is:http://imei.ronghub.com/oem/unbind postStr:userId=dx_rc_106932&sn=860132061448387 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 16:29:03,397 [92] ERROR ApiLog - url is:http://imei.ronghub.com/oem/unbind postStr:userId=dx_rc_106932&sn=860132061694311 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 16:29:16,675 [84] ERROR ApiLog - url is:http://imei.ronghub.com/oem/unbind postStr:userId=dx_rc_106932&sn=860132061706628 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 16:29:23,871 [91] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061691077 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 17:50:38,840 [86] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106388&sn=860132060220472 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 17:50:38,997 [86] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106388&sn=860132060235603 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 17:50:39,133 [86] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106388&sn=860132062030549 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 18:00:15,548 [78] ERROR ApiLog - url is:http://imei.ronghub.com/oem/unbind postStr:userId=dx_rc_106388&sn=860132060220472 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 18:00:40,896 [82] ERROR ApiLog - url is:http://imei.ronghub.com/oem/unbind postStr:userId=dx_rc_106388&sn=860132060235603 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 21:39:35,803 [57] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061691077 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 21:39:54,160 [43] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132062030218 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 21:45:40,096 [50] ERROR ApiLog - 邮件发送异常cdo！接收地址chamanshayar786@gmail.com
 ApiLognameSystem.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Authentication failed because the remote party has closed the transport stream.
   at System.Net.Security.SslState.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest, Boolean renegotiation)
   at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)
   at System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.Mail.SmtpConnection.Flush()
   at System.Net.Mail.ReadLinesCommand.Send(SmtpConnection conn)
   at System.Net.Mail.EHelloCommand.Send(SmtpConnection conn, String domain)
   at System.Net.Mail.SmtpConnection.GetConnection(ServicePoint servicePoint)
   at System.Net.Mail.SmtpClient.GetConnection()
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   --- End of inner exception stack trace ---
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   at MVCThinkrace.Common.MailUtility.SendMail(String Subject, String message, String mailAddress, Boolean isBodyHtml, EmailServerInfo info)
2026-03-19 21:45:45,773 [37] ERROR ApiLog - 邮件发送异常cdo！接收地址chamanshayar786@gmail.com
 ApiLognameSystem.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Authentication failed because the remote party has closed the transport stream.
   at System.Net.Security.SslState.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest, Boolean renegotiation)
   at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)
   at System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.Mail.SmtpConnection.Flush()
   at System.Net.Mail.ReadLinesCommand.Send(SmtpConnection conn)
   at System.Net.Mail.EHelloCommand.Send(SmtpConnection conn, String domain)
   at System.Net.Mail.SmtpConnection.GetConnection(ServicePoint servicePoint)
   at System.Net.Mail.SmtpClient.GetConnection()
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   --- End of inner exception stack trace ---
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   at MVCThinkrace.Common.MailUtility.SendMail(String Subject, String message, String mailAddress, Boolean isBodyHtml, EmailServerInfo info)
2026-03-19 21:46:35,000 [41] ERROR ApiLog - 邮件发送异常cdo！接收地址naznik021@gmail.com
 ApiLognameSystem.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Authentication failed because the remote party has closed the transport stream.
   at System.Net.Security.SslState.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest, Boolean renegotiation)
   at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)
   at System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.Mail.SmtpConnection.Flush()
   at System.Net.Mail.ReadLinesCommand.Send(SmtpConnection conn)
   at System.Net.Mail.EHelloCommand.Send(SmtpConnection conn, String domain)
   at System.Net.Mail.SmtpConnection.GetConnection(ServicePoint servicePoint)
   at System.Net.Mail.SmtpClient.GetConnection()
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   --- End of inner exception stack trace ---
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   at MVCThinkrace.Common.MailUtility.SendMail(String Subject, String message, String mailAddress, Boolean isBodyHtml, EmailServerInfo info)
2026-03-19 21:46:51,772 [36] ERROR ApiLog - 邮件发送异常cdo！接收地址naznik021@gmail.com
 ApiLognameSystem.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Authentication failed because the remote party has closed the transport stream.
   at System.Net.Security.SslState.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest, Boolean renegotiation)
   at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)
   at System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.Mail.SmtpConnection.Flush()
   at System.Net.Mail.ReadLinesCommand.Send(SmtpConnection conn)
   at System.Net.Mail.EHelloCommand.Send(SmtpConnection conn, String domain)
   at System.Net.Mail.SmtpConnection.GetConnection(ServicePoint servicePoint)
   at System.Net.Mail.SmtpClient.GetConnection()
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   --- End of inner exception stack trace ---
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   at MVCThinkrace.Common.MailUtility.SendMail(String Subject, String message, String mailAddress, Boolean isBodyHtml, EmailServerInfo info)
2026-03-19 21:47:05,145 [58] ERROR ApiLog - 邮件发送异常cdo！接收地址naznik021@gmail.com
 ApiLognameSystem.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Authentication failed because the remote party has closed the transport stream.
   at System.Net.Security.SslState.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest, Boolean renegotiation)
   at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)
   at System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.Mail.SmtpConnection.Flush()
   at System.Net.Mail.ReadLinesCommand.Send(SmtpConnection conn)
   at System.Net.Mail.EHelloCommand.Send(SmtpConnection conn, String domain)
   at System.Net.Mail.SmtpConnection.GetConnection(ServicePoint servicePoint)
   at System.Net.Mail.SmtpClient.GetConnection()
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   --- End of inner exception stack trace ---
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   at MVCThinkrace.Common.MailUtility.SendMail(String Subject, String message, String mailAddress, Boolean isBodyHtml, EmailServerInfo info)
2026-03-19 21:47:14,644 [40] ERROR ApiLog - 邮件发送异常cdo！接收地址naznik021@gmail.com
 ApiLognameSystem.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Authentication failed because the remote party has closed the transport stream.
   at System.Net.Security.SslState.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest, Boolean renegotiation)
   at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)
   at System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.Mail.SmtpConnection.Flush()
   at System.Net.Mail.ReadLinesCommand.Send(SmtpConnection conn)
   at System.Net.Mail.EHelloCommand.Send(SmtpConnection conn, String domain)
   at System.Net.Mail.SmtpConnection.GetConnection(ServicePoint servicePoint)
   at System.Net.Mail.SmtpClient.GetConnection()
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   --- End of inner exception stack trace ---
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   at MVCThinkrace.Common.MailUtility.SendMail(String Subject, String message, String mailAddress, Boolean isBodyHtml, EmailServerInfo info)
2026-03-19 21:47:37,769 [38] ERROR ApiLog - 邮件发送异常cdo！接收地址chamanshayar786@gmail.com
 ApiLognameSystem.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Authentication failed because the remote party has closed the transport stream.
   at System.Net.Security.SslState.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest, Boolean renegotiation)
   at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)
   at System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.Mail.SmtpConnection.Flush()
   at System.Net.Mail.ReadLinesCommand.Send(SmtpConnection conn)
   at System.Net.Mail.EHelloCommand.Send(SmtpConnection conn, String domain)
   at System.Net.Mail.SmtpConnection.GetConnection(ServicePoint servicePoint)
   at System.Net.Mail.SmtpClient.GetConnection()
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   --- End of inner exception stack trace ---
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   at MVCThinkrace.Common.MailUtility.SendMail(String Subject, String message, String mailAddress, Boolean isBodyHtml, EmailServerInfo info)
2026-03-19 21:48:14,044 [41] ERROR ApiLog - 邮件发送异常cdo！接收地址chamanshayar786@gmail.com
 ApiLognameSystem.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Authentication failed because the remote party has closed the transport stream.
   at System.Net.Security.SslState.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest, Boolean renegotiation)
   at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)
   at System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.Mail.SmtpConnection.Flush()
   at System.Net.Mail.ReadLinesCommand.Send(SmtpConnection conn)
   at System.Net.Mail.EHelloCommand.Send(SmtpConnection conn, String domain)
   at System.Net.Mail.SmtpConnection.GetConnection(ServicePoint servicePoint)
   at System.Net.Mail.SmtpClient.GetConnection()
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   --- End of inner exception stack trace ---
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   at MVCThinkrace.Common.MailUtility.SendMail(String Subject, String message, String mailAddress, Boolean isBodyHtml, EmailServerInfo info)
2026-03-19 22:44:57,771 [35] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132062030218 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-03-19 22:44:57,923 [35] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061691077 result:{"code":402,"msg":"sn invalid"}
 ApiLogname