如何解决System.Net.Mail.SmtpException套接字以其访问权限禁止的方式
我正在尝试使用SmtpClient在具有内部(非天蓝色)电子邮件服务器的天蓝色Web服务中发送电子邮件,以发送电子邮件。我们使用混合连接进入内部网络。
var client = new SmtpClient()
{
Port = model.Port,DeliveryMethod = SmtpDeliveryMethod.Network,UseDefaultCredentials = false,Host = model.Host,EnableSsl = true,Credentials = new NetworkCredential(model.UserName,model.Password)
};
await client.SendMailAsync(mail);
在发送电子邮件时遇到异常。
System.Net.Mail.SmtpException: Failure sending mail.
---> System.Net.Internals.socketExceptionFactory+ExtendedSocketException (10013): An attempt was made to access a socket in a way forbidden by its access permissions. [::ffff:xxxx.xx.xxx.xxx]:xx
at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw(Exception source)
at System.Net.sockets.socket.EndConnect(IAsyncResult asyncResult)
at System.Net.sockets.socket.DoMultipleAddressConnectCallback(Object result,MultipleAddressConnectAsyncResult context)
--- End of stack trace from prevIoUs location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw(Exception source)
at System.Net.sockets.socket.DoMultipleAddressConnectCallback(Object result,MultipleAddressConnectAsyncResult context)
at System.Net.sockets.socket.DoDnsCallback(IAsyncResult result,MultipleAddressConnectAsyncResult context)
at System.Net.sockets.socket.DnsCallback(IAsyncResult result)
--- End of stack trace from prevIoUs location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw(Exception source)
at System.Net.sockets.socket.EndConnect(IAsyncResult asyncResult)
at System.Net.sockets.TcpClient.EndConnect(IAsyncResult asyncResult)
at System.Net.Mail.SmtpConnection.ConnectAndHandshakeAsyncResult.InitializeConnectionCallback(IAsyncResult result)
--- End of stack trace from prevIoUs location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw(Exception source)
at System.Net.Mail.SmtpConnection.ConnectAndHandshakeAsyncResult.End(IAsyncResult result)
at System.Net.Mail.SmtpTransport.EndGetConnection(IAsyncResult result)
at System.Net.Mail.SmtpClient.ConnectCallback(IAsyncResult result)
--- End of inner exception stack trace ---
at Monash.Identity.DomainLogic.Commands.Handlers.Account.GenerateBackupCodesEmailHandler.ExecuteAsync(GenerateBackupCodesEmailCommand command) in D:\a\1\s\src\Monash.Identity.DomainLogic\Commands\Handlers\Account\GenerateBackupCodesEmailHandler.cs:line 36
at Monash.Identity.DomainLogic.Commands.CommandHandlerBase`2.HandleAsync(TCommand command) in D:\a\1\s\src\Monash.Identity.DomainLogic\Commands\CommandHandlerBase.cs:line 28
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