2026-09-14 00:00:25,779 [65] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061705638 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 00:00:25,912 [65] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132062033535 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 00:00:26,062 [65] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132062030705 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 00:00:26,210 [65] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061694279 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 00:00:26,359 [65] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061695086 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 00:00:26,486 [65] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061705273 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 00:00:26,620 [65] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061698593 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 00:00:26,791 [65] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132062025143 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 05:03:21,487 [90] ERROR ApiLog - API接口异常请求:User/Login参数： UserAgent:Gtalkie/12 CFNetwork/3860.700.2 Darwin/25.6.0服务器时间：2026-09-14 05:03:21 请求Token:
 ApiLognameSystem.Web.Http.HttpResponseException: 处理 HTTP 请求导致了异常。请参见此异常的 "Response" 属性返回的 HTTP 响应，以了解详细信息。
   在 System.Web.Http.ModelBinding.FormatterParameterBinding.ReadContentAsync(HttpRequestMessage request, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger, CancellationToken cancellationToken)
   在 System.Web.Http.ModelBinding.FormatterParameterBinding.ReadContentAsync(HttpRequestMessage request, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger)
   在 System.Web.Http.ModelBinding.FormatterParameterBinding.<ExecuteBindingAsyncCore>d__18.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Web.Http.Controllers.HttpActionBinding.<ExecuteBindingAsyncCore>d__12.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   在 System.Web.Http.Controllers.ActionFilterResult.<ExecuteAsync>d__5.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   在 System.Web.Http.Controllers.ExceptionFilterResult.<ExecuteAsync>d__6.MoveNext()
2026-09-14 05:03:22,512 [69] ERROR ApiLog - API接口异常请求:User/Login参数： UserAgent:Gtalkie/12 CFNetwork/3860.700.2 Darwin/25.6.0服务器时间：2026-09-14 05:03:22 请求Token:
 ApiLognameSystem.Web.Http.HttpResponseException: 处理 HTTP 请求导致了异常。请参见此异常的 "Response" 属性返回的 HTTP 响应，以了解详细信息。
   在 System.Web.Http.ModelBinding.FormatterParameterBinding.ReadContentAsync(HttpRequestMessage request, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger, CancellationToken cancellationToken)
   在 System.Web.Http.ModelBinding.FormatterParameterBinding.ReadContentAsync(HttpRequestMessage request, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger)
   在 System.Web.Http.ModelBinding.FormatterParameterBinding.<ExecuteBindingAsyncCore>d__18.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Web.Http.Controllers.HttpActionBinding.<ExecuteBindingAsyncCore>d__12.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   在 System.Web.Http.Controllers.ActionFilterResult.<ExecuteAsync>d__5.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   在 System.Web.Http.Controllers.ExceptionFilterResult.<ExecuteAsync>d__6.MoveNext()
2026-09-14 05:03:31,085 [86] ERROR ApiLog - API接口异常请求:User/Login参数： UserAgent:Gtalkie/12 CFNetwork/3860.700.2 Darwin/25.6.0服务器时间：2026-09-14 05:03:31 请求Token:
 ApiLognameSystem.Web.Http.HttpResponseException: 处理 HTTP 请求导致了异常。请参见此异常的 "Response" 属性返回的 HTTP 响应，以了解详细信息。
   在 System.Web.Http.ModelBinding.FormatterParameterBinding.ReadContentAsync(HttpRequestMessage request, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger, CancellationToken cancellationToken)
   在 System.Web.Http.ModelBinding.FormatterParameterBinding.ReadContentAsync(HttpRequestMessage request, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger)
   在 System.Web.Http.ModelBinding.FormatterParameterBinding.<ExecuteBindingAsyncCore>d__18.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Web.Http.Controllers.HttpActionBinding.<ExecuteBindingAsyncCore>d__12.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   在 System.Web.Http.Controllers.ActionFilterResult.<ExecuteAsync>d__5.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   在 System.Web.Http.Controllers.ExceptionFilterResult.<ExecuteAsync>d__6.MoveNext()
2026-09-14 05:03:32,465 [90] ERROR ApiLog - API接口异常请求:User/Login参数： UserAgent:Gtalkie/12 CFNetwork/3860.700.2 Darwin/25.6.0服务器时间：2026-09-14 05:03:32 请求Token:
 ApiLognameSystem.Web.Http.HttpResponseException: 处理 HTTP 请求导致了异常。请参见此异常的 "Response" 属性返回的 HTTP 响应，以了解详细信息。
   在 System.Web.Http.ModelBinding.FormatterParameterBinding.ReadContentAsync(HttpRequestMessage request, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger, CancellationToken cancellationToken)
   在 System.Web.Http.ModelBinding.FormatterParameterBinding.ReadContentAsync(HttpRequestMessage request, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger)
   在 System.Web.Http.ModelBinding.FormatterParameterBinding.<ExecuteBindingAsyncCore>d__18.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Web.Http.Controllers.HttpActionBinding.<ExecuteBindingAsyncCore>d__12.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   在 System.Web.Http.Controllers.ActionFilterResult.<ExecuteAsync>d__5.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   在 System.Web.Http.Controllers.ExceptionFilterResult.<ExecuteAsync>d__6.MoveNext()
2026-09-14 10:22:46,261 [32] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061705638 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 10:22:46,410 [32] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132062033535 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 10:22:46,543 [32] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132062030705 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 10:22:46,660 [32] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061694279 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 10:22:46,809 [32] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061695086 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 10:22:46,965 [32] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061705273 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 10:22:47,094 [32] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132061698593 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 10:22:47,224 [32] ERROR ApiLog - url is:http://imei.ronghub.com/oem/bind postStr:userId=dx_rc_106932&sn=860132062025143 result:{"code":402,"msg":"sn invalid"}
 ApiLogname2026-09-14 13:38:34,134 [168] ERROR ApiLog - 邮件发送异常cdo！接收地址suhail05556@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) in F:\NewWork\DX02_Web\MVCThinkrace.Common\MailUtility.cs:line 392
2026-09-14 13:38:37,588 [172] ERROR ApiLog - 邮件发送异常cdo！接收地址suhail05556@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) in F:\NewWork\DX02_Web\MVCThinkrace.Common\MailUtility.cs:line 392
2026-09-14 13:38:43,134 [147] ERROR ApiLog - 邮件发送异常cdo！接收地址suhail05556@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) in F:\NewWork\DX02_Web\MVCThinkrace.Common\MailUtility.cs:line 392
2026-09-14 13:44:11,054 [165] ERROR ApiLog - 邮件发送异常cdo！接收地址suhail05556@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) in F:\NewWork\DX02_Web\MVCThinkrace.Common\MailUtility.cs:line 392
2026-09-14 15:49:21,019 [23] ERROR ApiLog - 邮件发送异常cdo！接收地址suhail05556@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) in F:\NewWork\DX02_Web\MVCThinkrace.Common\MailUtility.cs:line 392
2026-09-14 15:49:27,190 [17] ERROR ApiLog - 邮件发送异常cdo！接收地址suhail05556@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) in F:\NewWork\DX02_Web\MVCThinkrace.Common\MailUtility.cs:line 392
2026-09-14 23:30:19,888 [19] ERROR ApiLog - 邮件发送异常cdo！接收地址surajkamlapuri7@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) in F:\NewWork\DX02_Web\MVCThinkrace.Common\MailUtility.cs:line 392
2026-09-14 23:30:23,932 [6] ERROR ApiLog - 邮件发送异常cdo！接收地址surajkamlapuri7@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) in F:\NewWork\DX02_Web\MVCThinkrace.Common\MailUtility.cs:line 392