问：发送邮件失败。System.Net.WebException: 无法连接到远程服务器 —> System.Net.Sockets.SocketException: 由于目标计算机积极拒绝，无法连接。 127.0.0.1:22 在 System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress) 在 System.Net.Sockets.Socket.InternalConnect(EndPoint remoteEP) 在 System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Int32 timeout, Exception& exception) — 内部异常堆栈跟踪的结尾 — 在 System.Net.ServicePoint.GetConnection(PooledStream PooledStream, Object owner, Boolean async, IPAddress& address, Socket& abortSocket, Socket& abortSocket6, Int32 timeout) 在 System.Net.PooledStream.Activate(Object owningObject, Boolean async, Int32 timeout, GeneralAsyncDelegate asyncCallback) 在 System.Net.PooledStream.Activate(Object owningObject, GeneralAsyncDelegate asyncCallback) 在 System.Net.ConnectionPool.GetConnection(Object owningObject, GeneralAsyncDelegate asyncCallback, Int32 creationTimeout) 在 System.Net.Mail.SmtpConnection.GetConnection(String host, Int32 port) 在 System.Net.Mail.SmtpTransport.GetConnection(String host, Int32 port) 在 System.Net.Mail.SmtpClient.GetConnection() 在 System.Net.Mail.SmtpClient.Send(MailMessage message),.net程序发送，提示服务器拒绝发送
问：我们之前用的其它SMTP，没问题的。所以，程序没问题的
问：发送邮件失败。System.Net.WebException: 无法连接到远程服务器 —> System.Net.Sockets.SocketException: 由于目标计算机积极拒绝，无法连接。 127.0.0.1:22 在 System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress) 在 System.Net.Sockets.Socket.InternalConnect(EndPoint remoteEP) 在 System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Int32 timeout, Exception& exception) — 内部异常堆栈跟踪的结尾 — 在 System.Net.ServicePoint.GetConnection(PooledStream PooledStream, Object owner, Boolean async, IPAddress& address, Socket& abortSocket, Socket& abortSocket6, Int32 timeout) 在 System.Net.PooledStream.Activate(Object owningObject, Boolean async, Int32 timeout, GeneralAsyncDelegate asyncCallback) 在 System.Net.PooledStream.Activate(Object owningObject, GeneralAsyncDelegate asyncCallback) 在 System.Net.ConnectionPool.GetConnection(Object owningObject, GeneralAsyncDelegate asyncCallback, Int32 creationTimeout) 在 System.Net.Mail.SmtpConnection.GetConnection(String host, Int32 port) 在 System.Net.Mail.SmtpTransport.GetConnection(String host, Int32 port) 在 System.Net.Mail.SmtpClient.GetConnection() 在 System.Net.Mail.SmtpClient.Send(MailMessage message)
问：我们之前用的其它SMTP，没问题的。所以，程序没问题的
