c# – SmtpClient.Send不适用于linux环境

概述以下代码,在.net core 2环境中编写,适用于 Windows环境,但不适用于 Linux环境. string host = "10.99.99.10";int port = 25;string userName = "[email protected]";string password = "password";string from = userName;var client = n 以下代码,在.net core 2环境中编写,适用于 Windows环境,但不适用于 Linux环境.

string host = "10.99.99.10";int port = 25;string username = "[email protected]";string password = "password";string from = username;var clIEnt = new SmtpClIEnt{    Host = host,Port = port,EnableSsl = false,DeliveryMethod = SmtpDeliveryMethod.Network,UseDefaultCredentials = false,Credentials = new NetworkCredential(username,password)};MailMessage mailMessage = new MailMessage();mailMessage.From = new MailAddress(from);mailMessage.To.Add(username);mailMessage.Body = "This is test mail.";mailMessage.Subject = "Testing";                clIEnt.Send(mailMessage);

例外：发送邮件失败.

InnerExcepiton：

System.ComponentModel.Win32Exception (0x80004005): GSSAPI operation Failed with error - An invalID status code was supplIEd (UnkNown error).   at System.Net.Security.NegotiateStreamPal.AcquireCredentialsHandle(String package,Boolean isServer,NetworkCredential credential)   at System.Net.NTAuthentication.Initialize(Boolean isServer,String package,NetworkCredential credential,String spn,ContextFlagsPal requestedContextFlags,ChannelBinding channelBinding)   at System.Net.Mail.SmtpNtlmAuthenticationModule.Authenticate(String challenge,Object sessioncookie,ChannelBinding channelBindingToken)   at System.Net.Mail.SmtpConnection.SetContextAndTryAuthenticate(ISmtpAuthenticationModule module,ContextAwareResult context)   at System.Net.Mail.SmtpConnection.GetConnection(String host,Int32 port)   at System.Net.Mail.SmtpTransport.GetConnection(String host,Int32 port)   at System.Net.Mail.SmtpClIEnt.GetConnection()   at System.Net.Mail.SmtpClIEnt.Send(MailMessage message)

堆栈跟踪：

at System.Net.Mail.SmtpClIEnt.Send(MailMessage message)   at MyProject.Helper.Utils.SendMail() in C:\Test\MyProject\MyProject.Helper\Utils.cs:line 146

linux：Ubuntu 16.04.3 LTS

这是一个控制台应用程序.
为什么不在linux环境下工作？

解决方法 我认为这是一个代码错误,因为我有错误,但事实并非如此.当我在邮件服务器端给出中继权限时,我的问题就解决了.我认为它是在windows环境中自动执行此 *** 作. 总结

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