求教在以下Select语句中，为何If Left(strServerResponse, 3) <> "235" Then这个判断里是否=235，都执行这句hhhhh:

Question

求教在以下Select语句中，为何If Left(strServerResponse, 3) <> "235" Then这个判断里是否=235，都执行这句hhhhh:
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我求教高手，如何是他在不等于235时（=235，不跳转，不执行hhhhh：这句），才跳转到执行hhhhh:，谢谢！！！            Select Case m_State
            Case MAIL_CONNECT
                m_State = MAIL_HELO
                 Winsock1.SendData "HELO " & UsreuserFXRDZ & vbCrLf
                 StatusTxt = "登陆服务器"
            Case MAIL_HELO
                 m_State = MAIL_USER
                 Winsock1.SendData "AUTH LOGIN" & vbCrLf
                 StatusTxt = "正在校验用户名"
            Case MAIL_USER
                 m_State = MAIL_PASS
                 Winsock1.SendData (Base64_Encode(Trim(UseruserNAME))) & vbCrLf
                 StatusTxt = "校验用户密码"
                  Winsock1.GetData strServerResponse
            Case MAIL_PASS
                 m_State = mail_login
                 Winsock1.SendData (Base64_Encode(Useruserpass)) & vbCrLf
                 StatusTxt = "发送人邮件地址"
            Case mail_login
                 Winsock1.GetData strServerResponse
                If Left(strServerResponse, 3) <> "235" Then
                GoTo hhhhh
                else
                Winsock1.SendData "MAIL FROM:" & Trim$(UsreuserFXRDZ) & vbCrLf
                StatusTxt = "接收人邮件地址"
                End If
                 
           ...............................
           End Selecthhhhh:
再次输入.Show

Answer 1

Case mail_login
                 Winsock1.GetData strServerResponse
                If Left(strServerResponse, 3) <> "235" Then
                GoTo hhhhh
                else
                Winsock1.SendData "MAIL FROM:" & Trim$(UsreuserFXRDZ) & vbCrLf
                StatusTxt = "接收人邮件地址"
                End If
                 
           ...............................
           End Selectexit sub(或者exit function)
hhhhh: